Deck 1: Introduction

Question 1

A power of 10 is a(n) ______________ of the base 10 and can be either positive or negative.

Answer 1

exponent

Question 2

______________ powers of 10 are used to indicate numbers that are greater than 1.

Answer 2

Positive

Question 3

Any number raised to the ______________ power equals 1.

Answer 3

zero

Question 4

The number 47,000 can be expressed in scientific notation as ______________.

Question 5

Numbers written in standard form without using any form of powers of 10 notation are said to be written in ______________ notation.

Question 6

The decimal notation of 4.5 × 10−3 which is written in scientific notation is ______________.

Question 7

In ______________ notation the powers of 10 are always multiples of 3.

Question 8

The power value of 12,000 W can be expressed as ______________.

Question 9

The reciprocal of 10⁶ is ______________.

Question 10

The square of 4.0 × 10² is ______________.

Question 11

By entering and displaying all values in ______________ notation, metric prefixes and their corresponding powers of 10 are learned.

Question 12

Powers of 10 used to indicate numbers greater than 1 are

A) positive
B) negative
C) exponents
D) decimal

Question 13

If the decimal point is moved to the right in the original number, then the power of 10 will

A) decrease or become more negative
B) increase or become more positive
C) remain the same value
D) will have a power of 1

Question 14

Numbers written in standard form without using any form of powers of 10 notation are said to be written in

A) scientific notation
B) decimal notation
C) fixed decimal notation
D) exponential notation

Question 15

The decimal notation of 3.25 × 10³ is

A) 32.5
B) 325
C) 3250
D) 32500

Question 16

With engineering notation, the powers of 10 are always multiples of

A) 2
B) 3
C) 4
D) 5

Question 17

The metric prefix for 10³ is

A) milli
B) micro
C) kilo
D) mega

Question 18

A current with a value of 0.000005 A can be expressed as

A) 5 mA
B) 5 MA
C) 5 nA
D) 5 ?A

Question 19

The voltage value of 0.025 V can be expressed as

A) 2.5 MV
B) 25 ?V
C) 25 mV
D) 2.5 mV

Question 20

Metric prefixes can be substituted for powers of 10 that are multiples of

A) 2
B) 3
C) 4
D) 5

Question 21

A frequency of 144 × 10⁶ Hz could be expressed as

A) 144 kHz
B) 144 MHz
C) 14.4 MHz
D) 144 GHz

Question 22

Before numbers expressed in powers of 10 notation can be added,

A) both terms must be expressed using the same power of 10
B) one term needs to be expressed using the second power of 10
C) both terms must be expressed using the second power of 10
D) the numerical parts must be multiplied

Question 23

When multiplying numbers expressed in powers of 10 notation,

A) add the numerical parts and powers of 10 separately
B) multiply the numerical parts and powers of 10 separately
C) multiply the numerical parts and add the powers of 10 separately
D) add the numerical parts and multiply the powers of 10 separately

Question 24

The reciprocal of 10?⁶ is

A) 10?³
B) 10³
C) 10⁶
D) 10?⁶

Question 25

A power of 10 indicates how many times the base 10,

A) is to be added to itself
B) is to be subtracted from itself
C) is to be divided by itself
D) is to be multiplied by itself

Question 26

What is the square of 4.0 × 10³?

A) 8 × 10⁶
B) 16 × 10⁶
C) 8 × 10⁹
D) 16 × 10⁹

Question 27

What is the square root of 9 × 10⁴?

A) 3 × 10²
B) 3 × 10⁸
C) 81 × 10²
D) 18 × 10²

Question 28

To determine the square root of a number expressed in powers of 10 notation,

A) take the square root of the numerical part of the expression and multiply the power of 10 by 2
B) take the square root of the power of 10 and multiply the numerical part of the expression by 2
C) take the square root of the numerical part of the expression and divide the power of 10 by 2
D) take the square root of the power of 10 and divide the numerical part of the expression by 2

Question 29

Which of the following is a notation system typically used with scientific calculators?

A) fixed fractional
B) floating decimal
C) fixed formula
D) technology

Question 30

The key on a scientific calculator used to enter the exponents associated with scientific and engineering notation is

A) EXP
B) SCI
C) EEE
D) ×10⁰

Question 31

A power of 10 is an exponent of the base 10 and can be either positive or negative.

Question 32

If the decimal point is moved to the left in the original number, then the power of 10 will become more negative.

Question 33

Numbers written in standard form without using any form of powers of 10 notation are said to be written in decimal notation.

Question 34

Engineering notation is another form of powers of 10 notation.

Question 35

The metric prefixes represent those powers of 10 that are multiples of 2.

Question 36

A resistor whose value is 53,000 ? can be expressed in engineering notation as 53 × 10³ ?.

Question 37

Metric prefixes can be substituted for powers of 10 that are multiples of 3.

Question 38

A frequency of 1750 × 10³ Hz could be expressed as 1750 MHz.

Question 39

Before numbers expressed in powers of 10 notation can be added, both terms must be expressed using the same power of 10.

Question 40

When multiplying numbers expressed in powers of 10 notation, multiply the numerical parts and powers of 10 separately.

Question 41

The reciprocal of 10³ is 10?³.

Question 42

A power of 10 indicates how many times the base, 10, is to be added to itself.

Question 43

To square a number expressed in powers of 10 notation, square the numerical part of the expression and double the power of 10.

Question 44

Typical scientific calculator notation systems for displaying calculation results are floating decimal, fixed decimal, scientific, and engineering.

Question 45

When entering a number into a scientific calculator expressed in any form of powers of 10 notation, always enter the exponent first.