Question 1

The number 12.68 x 10², when expressed in correct scientific notation, becomes ________.

Accepted Answer

The correct scientific notation for the number 12.68 is 1.268 by moving the decimal point two places to the left, which increases the exponent of 10 by 2, making it 1.268 x 10^3.

Question 2

When 0.0005760 is written in proper scientific notation with the correct number of significant figures the number is:

Accepted Answer

The correct scientific notation for 0.0005760 is 5.760 x 10^-4, which maintains the original number of significant figures (four, in this case).

Question 3

What is the correct exponential term for the following mathematical operation?

Accepted Answer

The answer of What is the correct exponential term for...

Question 4

How many numbers will be in the coefficient when 0.0090110 is expressed in scientific notation?

Accepted Answer

The answer of How many numbers will be in the...

Question 5

The number 1.987 x 10⁶ in normal decimal notation is ________.

Accepted Answer

The number 1.987 x 10^6 means 1.987 multiplied by 1,000,000, which equals 1,987,000.

Question 6

The number 9080000 written in scientific notation to the correct number of significant figures is ________.

Accepted Answer

The answer of The number 9080000 written in scientific notation...

Question 7

The number 7.134 × 10⁷ in normal decimal notation is ________.

Accepted Answer

The number 7.134 × 10^7 means you move the decimal point 7 places to the right, resulting in 71,340,000.

Question 8

Which one of the following mathematical expressions is not evaluated correctly?

Accepted Answer

The correct evaluation for 10^-3/10^-6 is 10^3, not 10^9.

Question 9

The correct answer obtained by dividing 4.65 x 10⁵ by 9.4 x 10^?2 together is ________.

Accepted Answer

The answer of The correct answer obtained by dividing 4.65...

Question 10

The correct answer obtained by dividing the measurement (6.00 x 10⁴) by the measurement (2.0 x 10²) is ________.

Accepted Answer

When dividing $6.00 \times 10^{14}$ by $2.0 \times 10^{12}$, you subtract the exponents (14 - 12 = 2) and divide the coefficients (6.00/2.0 = 3.0), resulting in $3.0 \times 10^2$.

Question 11

Perform the indicated mathematical operations and express the answer in scientific notation rounded off to the proper number of significant figures. [2.098 x 10¹⁴ /74.5 x 10^-6] (1.0900 x 10⁴)

Accepted Answer

The answer of Perform the indicated mathematical operations and express...

Question 12

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures.
-86.40/12.095 ____________________

Accepted Answer

The answer of Do the following multiplications and divisions, expressing...

Question 13

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -(2.00 x 10²) x (2.00 x 10^-4) ____________________

Accepted Answer

The answer of Do the following multiplications and divisions, expressing...

Question 14

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -(7.0 x 10^-6) x (3.00 x 10⁴) ____________________

Accepted Answer

The answer of Do the following multiplications and divisions, expressing...

Question 15

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -(8.00 x 10⁶)/(4.00 x 10⁴) ____________________

Accepted Answer

The answer of Do the following multiplications and divisions, expressing...

Question 16

Do the following additions or subtractions, expressing your answers to the proper number of significant figures.
-4.63 + 7.014 − 1.200 ____________________

Accepted Answer

The answer of Do the following additions or subtractions, expressing...

Question 17

Do the following additions or subtractions, expressing your answers to the proper number of significant figures.
-200 + 0.09 ____________________

Accepted Answer

The answer of Do the following additions or subtractions, expressing...

Question 18

Do the following additions or subtractions, expressing your answers to the proper number of significant figures.
-3.070 − 3.050 ____________________

Accepted Answer

The answer of Do the following additions or subtractions, expressing...

Question 19

Do the following additions or subtractions, expressing your answers to the proper number of significant figures. -(6.3 x 10⁷) + (4.5 x 10³) ____________________

Accepted Answer

The answer of Do the following additions or subtractions, expressing...

Question 20

A pipet is calibrated with the smallest scale markings of 0.1 milliliters. Indicate to what uncertainty readings should be recorded for measurements made with this device.

Accepted Answer

The answer of A pipet is calibrated with the smallest...

Quiz 2: Numbers From Measurements

The number 12.68 x 102, when expressed in correct scientific notation, becomes ________.

When 0.0005760 is written in proper scientific notation with the correct number of significant figures the number is:

What is the correct exponential term for the following mathematical operation?

How many numbers will be in the coefficient when 0.0090110 is expressed in scientific notation?

The number 1.987 x 106 in normal decimal notation is ________.

The number 9080000 written in scientific notation to the correct number of significant figures is ________.

The number 7.134 × 107 in normal decimal notation is ________.

Which one of the following mathematical expressions is not evaluated correctly?

The correct answer obtained by dividing 4.65 x 105 by 9.4 x 10?2 together is ________.

The correct answer obtained by dividing the measurement (6.00 x 104) by the measurement (2.0 x 102) is ________.

Perform the indicated mathematical operations and express the answer in scientific notation rounded off to the proper number of significant figures. [2.098 x 1014 /74.5 x 10-6] (1.0900 x 104)

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -86.40/12.095 ____________________

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -(2.00 x 102) x (2.00 x 10-4) ____________________

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -(7.0 x 10-6) x (3.00 x 104) ____________________

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -(8.00 x 106)/(4.00 x 104) ____________________

Do the following additions or subtractions, expressing your answers to the proper number of significant figures. -4.63 + 7.014 − 1.200 ____________________

Do the following additions or subtractions, expressing your answers to the proper number of significant figures. -200 + 0.09 ____________________

Do the following additions or subtractions, expressing your answers to the proper number of significant figures. -3.070 − 3.050 ____________________

Do the following additions or subtractions, expressing your answers to the proper number of significant figures. -(6.3 x 107) + (4.5 x 103) ____________________

A pipet is calibrated with the smallest scale markings of 0.1 milliliters. Indicate to what uncertainty readings should be recorded for measurements made with this device.

The number 12.68 x 10², when expressed in correct scientific notation, becomes ________.

The number 1.987 x 10⁶ in normal decimal notation is ________.

The number 7.134 × 10⁷ in normal decimal notation is ________.

The correct answer obtained by dividing 4.65 x 10⁵ by 9.4 x 10^?2 together is ________.

The correct answer obtained by dividing the measurement (6.00 x 10⁴) by the measurement (2.0 x 10²) is ________.

Perform the indicated mathematical operations and express the answer in scientific notation rounded off to the proper number of significant figures. [2.098 x 10¹⁴ /74.5 x 10^-6] (1.0900 x 10⁴)

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -(2.00 x 10²) x (2.00 x 10^-4) ____________________

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -(7.0 x 10^-6) x (3.00 x 10⁴) ____________________

Do the following multiplications and divisions, expressing your answers to the proper number of significant figures. -(8.00 x 10⁶)/(4.00 x 10⁴) ____________________

Do the following additions or subtractions, expressing your answers to the proper number of significant figures. -(6.3 x 10⁷) + (4.5 x 10³) ____________________