Question 1

What is 34 + (3) × (1.2465) written with the correct number of significant figures? A) 37.7 B) 37.74 C) 4 × 10¹ D) 38 E) 37.7395

Accepted Answer

The answer of What is 34 + (3) × (1.2465)...

Question 2

What is the result of 1.58 ÷ 3.793 written with the correct number of significant figures?
A) 4.1656 × 
B) 4.166 × 
C) 4.17 × 
D) 4.2 × 
E) 4 ×

Accepted Answer

The answer of What is the result of 1.58 ÷...

Question 3

Express (4.3 × 10⁶)^-1/2 in scientific notation. A) 4.8 × 10^-4 B) 2.1 × 10³ C) 2.1 × 10^-5 D) 2.1 × 10⁴

Accepted Answer

The answer of Express (4.3 × 10⁶)^-1/2 in scientific notation. A)...

Question 4

A certain CD-ROM disk can store approximately 6.0 × 10² megabytes of information, where 10⁶ bytes = 1 megabyte. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk? A) 6.7 × 10⁷ words B) 5.4 × 10⁹ words C) 2.1 × 10⁷ words D) 2.0 × 10⁹ words

Accepted Answer

The CD-ROM can store 6.0 × 10^12 bytes. Since 1 megabyte = 10^6 bytes, the disk's capacity in words is calculated by dividing the total bytes by the bytes per word: (6.0 × 10^12 bytes) / (9.0 bytes/word) = 6.7 × 10^11 words.

Question 5

A weight lifter can bench press How many milligrams (mg) is this? A) 1.71 × 10⁸ mg B) 1.71 × 10⁹ mg C) 1.71 × 10⁷ mg D) 1.71 × 10⁶ mg

Accepted Answer

The answer of A weight lifter can bench press ...

Question 6

Albert uses as his unit of length (for walking to visit his neighbors or plowing his fields) the albert (A), the distance Albert can throw a small rock. One albert is How many square alberts is equal to one acre? (1 acre = 43,560 ft² = 4050 m²)

Accepted Answer

The answer of Albert uses as his unit of length...

Question 7

A person on a diet loses in a week. How many are lost? A) 2.6 × 10³ μg/s B) 1.6 × 10⁵ μg/s C) 44 μg/s D) 6.4 × 10⁴ μg/s

Accepted Answer

The answer of A person on a diet loses ...

Question 8

What is the difference between 103.5 and 102.24 written with the correct number of significant figures?
A) 1
B) 1.3
C) 1.26
D) 1.260
E) 1.2600

Accepted Answer

The answer of What is the difference between 103.5 and...

Question 9

How many nanoseconds does it take for a computer to perform one calculation if it performs  calculations per second?
A) 15 ns
B) 67 ns
C) 11 ns
D) 65 ns

Accepted Answer

The answer of How many nanoseconds does it take for...

Question 10

The following exact conversion equivalents are given: 1 m = 100 cm , 1 in = 2.54 cm, and If a computer screen has an area of 1.27 , this area is closest to A) 0.00284 m². B) 0.0465 m². C) 0.118 m². D) 0.284 m². E) 4.65 m².

Accepted Answer

The answer of The following exact conversion equivalents are given:...

Question 11

What is the product of 11.24 and 1.95 written with the correct number of significant figures?
A) 22
B) 21.9
C) 21.92
D) 21.918
E) 21.9180

Accepted Answer

The product of 11.24 and 1.95 is 21.918, but since the least number of significant figures in the numbers being multiplied is three (in 1.95), the answer should also be reported with three significant figures, making 21.9 the correct choice.

Question 12

The wavelength of a certain laser is where Express this wavelength in nanometers. A) 3.5 × 10² nm B) 3.5 × 10³ nm C) 3.5 × 10¹ nm D) 3.5 × 10⁴ nm

Accepted Answer

The answer of The wavelength of a certain laser is...

Question 13

Convert a speed of 4.50 km/h to units of ft/min. (1.00 m = 3.28 ft)
A) 0.246 ft/min
B) 82.3 ft/min
C) 165 ft/min
D) 246 ft/min
E) 886 ft/min

Accepted Answer

The answer of Convert a speed of 4.50 km/h to...

Question 14

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area should be written as A) 0.7 m². B) 0.68 m². C) 0.682 m². D) 0.6818 m². E) 0.68175 m².

Accepted Answer

The answer of The length and width of a rectangle...

Question 15

What is 56 + (32.00)/(1.2465 + 3.45) written with the correct number of significant figures?
A) 62.8
B) 62.812
C) 62.81
D) 63
E) 62.8123846

Accepted Answer

The answer of What is 56 + (32.00)/(1.2465 + 3.45)...

Question 16

What is 0.205^2/3, expressed to the proper number of significant figures? A) 0.348 B) 0.35 C) 0.3 D) 0.3477

Accepted Answer

The answer of What is 0.205^2/3, expressed to the proper...

Question 17

In addition to 1 m = 39.37 in., the following exact conversion equivalents are given:    and 1 min = 60 s. If a particle has a velocity of 8.4 miles per hour, its velocity, in m/s, is closest to
A) 3.8 m/s.
B) 3.0 m/s.
C) 3.4 m/s.
D) 4.1 m/s.
E) 4.5 m/s.

Accepted Answer

The answer of In addition to 1 m = 39.37...

Question 18

The shortest wavelength of visible light is approximately 400 nm. Express this wavelength in centimeters. A) 4 × 10^-5 cm B) 4 × 10^-7 cm C) 4 × 10^-9 cm D) 4 × 10^-11 cm E) 400 × 10^-11 cm

Accepted Answer

To convert nanometers to centimeters, we divide by $10^7$. Therefore, $400	ext{ nm} = \frac{400}{10^7}	ext{ cm} = 4	imes10^{-5}	ext{ cm}$. The answer is A.

Question 19

Add and and express your answer in milligrams (mg). A) 7.05 × 10⁷ mg B) 7.05 × 10⁴ mg C) 7.05 × 10⁵ mg D) 7.05 × 10⁶ mg

Accepted Answer

The answer of Add  and  and express your...

Question 20

A plot of land contains How many square meters does it contain? A) 2.3 × 10⁴ m² B) 7.1 × 10³ m² C) 7.0 × 10⁴ m² D) 5.0 × 10⁴ m²

Accepted Answer

The answer of A plot of land contains  How...

Quiz 1: Concepts of Motion

What is 34 + (3) × (1.2465) written with the correct number of significant figures?

What is the result of 1.58 ÷ 3.793 written with the correct number of significant figures?

Express (4.3 × 10⁶) ^-1/2 in scientific notation.

A certain CD-ROM disk can store approximately 6.0 × 10² megabytes of information, where 10⁶ bytes = 1 megabyte. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk?

A weight lifter can bench press How many milligrams (mg) is this?

Albert uses as his unit of length (for walking to visit his neighbors or plowing his fields) the albert (A), the distance Albert can throw a small rock. One albert is How many square alberts is equal to one acre? (1 acre = 43,560 ft² = 4050 m²)

A person on a diet loses in a week. How many are lost?

What is the difference between 103.5 and 102.24 written with the correct number of significant figures?

How many nanoseconds does it take for a computer to perform one calculation if it performs calculations per second?

The following exact conversion equivalents are given: 1 m = 100 cm , 1 in = 2.54 cm, and If a computer screen has an area of 1.27 , this area is closest to

What is the product of 11.24 and 1.95 written with the correct number of significant figures?

The wavelength of a certain laser is where Express this wavelength in nanometers.

Convert a speed of 4.50 km/h to units of ft/min. (1.00 m = 3.28 ft)

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area should be written as

What is 56 + (32.00) /(1.2465 + 3.45) written with the correct number of significant figures?

What is 0.205^2/3, expressed to the proper number of significant figures?

In addition to 1 m = 39.37 in., the following exact conversion equivalents are given: and 1 min = 60 s. If a particle has a velocity of 8.4 miles per hour, its velocity, in m/s, is closest to

The shortest wavelength of visible light is approximately 400 nm. Express this wavelength in centimeters.

Add and and express your answer in milligrams (mg) .

A plot of land contains How many square meters does it contain?

Quiz 1: Concepts of Motion

What is 34 + (3) × (1.2465) written with the correct number of significant figures?

What is the result of 1.58 ÷ 3.793 written with the correct number of significant figures?

Express (4.3 × 106) -1/2 in scientific notation.

A certain CD-ROM disk can store approximately 6.0 × 102 megabytes of information, where 106 bytes = 1 megabyte. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk?

A weight lifter can bench press How many milligrams (mg) is this?

Albert uses as his unit of length (for walking to visit his neighbors or plowing his fields) the albert (A), the distance Albert can throw a small rock. One albert is How many square alberts is equal to one acre? (1 acre = 43,560 ft2 = 4050 m2)

A person on a diet loses in a week. How many are lost?

What is the difference between 103.5 and 102.24 written with the correct number of significant figures?

How many nanoseconds does it take for a computer to perform one calculation if it performs calculations per second?

The following exact conversion equivalents are given: 1 m = 100 cm , 1 in = 2.54 cm, and If a computer screen has an area of 1.27 , this area is closest to

What is the product of 11.24 and 1.95 written with the correct number of significant figures?

The wavelength of a certain laser is where Express this wavelength in nanometers.

Convert a speed of 4.50 km/h to units of ft/min. (1.00 m = 3.28 ft)

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area should be written as

What is 56 + (32.00) /(1.2465 + 3.45) written with the correct number of significant figures?

What is 0.2052/3, expressed to the proper number of significant figures?

In addition to 1 m = 39.37 in., the following exact conversion equivalents are given: and 1 min = 60 s. If a particle has a velocity of 8.4 miles per hour, its velocity, in m/s, is closest to

The shortest wavelength of visible light is approximately 400 nm. Express this wavelength in centimeters.

Add and and express your answer in milligrams (mg) .

A plot of land contains How many square meters does it contain?

Express (4.3 × 10⁶) ^-1/2 in scientific notation.

A certain CD-ROM disk can store approximately 6.0 × 10² megabytes of information, where 10⁶ bytes = 1 megabyte. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk?

Albert uses as his unit of length (for walking to visit his neighbors or plowing his fields) the albert (A), the distance Albert can throw a small rock. One albert is How many square alberts is equal to one acre? (1 acre = 43,560 ft² = 4050 m²)

What is 0.205^2/3, expressed to the proper number of significant figures?