$7.8 \times 10^{-9}$ cm, 155 pm

$1 \text{ kg} = 1 \times 10^{12} \mu g$

Question 1

Which metric prefix corresponds to a multiplier of $10^{-6}$?

Accepted Answer

micro

Question 2

A laboratory sample has a mass of $7.3 	imes 10^{-3}$ g. Express this mass using a metric prefix without exponents.

Accepted Answer

$7.3$ mg

Question 3

Convert $694$ kg to $\mu g$.

Accepted Answer

$6.94 	imes 10^{11}$ \mu g

Question 4

Which of the following is the correct order of metric prefixes from largest to smallest?

Accepted Answer

kilo, centi, milli, micro

Question 5

A patient receives a dose of $2.7$ mmol of a medication. Express this amount in mol using scientific notation.

Accepted Answer

$2.7 	imes 10^{-3}$ mol

Question 6

If a room has a volume of $1.15 	imes 10^{6}$ cm$^3$, what is the volume in km$^3$?

Accepted Answer

$1.15 	imes 10^{-9}$ km$^3$

Question 7

Which of the following pairs of quantities is correctly ordered from smallest to largest?

Accepted Answer

$7.8 	imes 10^{-9}$ cm, 155 pm

Question 8

Express $32 	imes 10^{12}$ L using a metric prefix.

Accepted Answer

$3.2$ TL

Question 9

Which metric prefix would you use to express $1 	imes 10^{-9}$ grams?

Accepted Answer

nano

Question 10

A solution contains $18.5 	imes 10^{11}$ s of reaction time. Express this using a metric prefix.

Accepted Answer

$1.85$ Ts

Question 11

Which of the following is the correct scientific notation for $83$ \mu m in meters?

Accepted Answer

$8.3 	imes 10^{-5}$ m

Question 12

A mass of $193$ kg is to be expressed in grams using scientific notation. What is the correct answer?

Accepted Answer

$1.93 	imes 10^{5}$ g

Question 13

Which metric prefix is used for $10^{12}$ times the base unit?

Accepted Answer

tera

Question 14

A medical test result is reported as $7.3$ mg/dL. What is this value in grams per deciliter?

Accepted Answer

$0.0073$ g/dL

Question 15

Which of the following is the correct conversion factor to go from kilograms to micrograms?

Accepted Answer

$1 	ext{ kg} = 1 	imes 10^{12} \mu g$

Question 16

A scientist needs to convert $1.15 	imes 10^{6}$ cm$^3$ to m$^3$. What is the correct answer?

Accepted Answer

$1.15 	imes 10^{-3}$ m$^3$

Question 17

Which metric prefix would you use to express $10^{-2}$ meters?

Accepted Answer

centi

Question 18

A hospital stores $3.2$ pL of a rare enzyme. What is the volume in liters using scientific notation?

Accepted Answer

$3.2 	imes 10^{-12}$ L

Question 19

Which of the following is the correct metric prefix for $10^{-12}$?

Accepted Answer

pico

Question 20

A solution contains $1.85$ Ts of a substance. What is the equivalent in seconds using scientific notation?

Accepted Answer

$1.85 	imes 10^{12}$ s

Metric Prefixes and Unit Conversions in GOB Chemistry

Study Guide - Practice Questions