Question 1

Which of the following numbers is correctly written in scientific notation?

Accepted Answer

$$3.7 	imes 10$$^{2}$$

Question 2

Convert $$1.25 	imes 10$$^{4}$$ from scientific notation to standard notation.

Accepted Answer

$$12500$$

Question 3

Which part of the scientific notation $$6.88 	imes 10$$^{2}$$ is the exponent?

Accepted Answer

$$2$$

Question 4

A laboratory sample has a mass of $$0.000000145$$ grams. Express this value in scientific notation.

Accepted Answer

$$1.45 	imes 10$$^{-7}$$

Question 5

Which of the following is NOT a correct step when converting a number to scientific notation?

Accepted Answer

The coefficient can be any value greater than $$0.$$

Question 6

Convert $$1.0132500000 	imes 10$$^{8}$$ to standard notation.

Accepted Answer

$$101,325,000$$

Question 7

Which of the following numbers, when written in scientific notation, would have a negative exponent?

Accepted Answer

$$0.0000325$$

Question 8

A nurse needs to record a patient's white blood cell count as $$7.17 	imes 10$$^{6}$$ cells per mL. What is this value in standard notation?

Accepted Answer

$$7,170,000$$

Question 9

Which of the following best describes the coefficient in scientific notation?

Accepted Answer

It is the number between $$1$$ and $$10$$ multiplied by a power of $$10.$$

Question 10

A student writes $$0.52 	imes 10$$^{3}$$ as a scientific notation for 520$. What is the error in this notation?

Accepted Answer

The coefficient is not between $$1$$ and $$10.$$

Question 11

Which of the following numbers is equivalent to $$3.25 	imes 10$$^{-6}$$ in standard notation?

Accepted Answer

$$0.00000325$$

Question 12

If you decrease the coefficient in scientific notation, what must happen to the exponent to keep the value the same?

Accepted Answer

The exponent must increase.

Question 13

A chemist records a measurement as $$1.6100 	imes 10$$^{4}$$ grams. What is this value in standard notation?

Accepted Answer

$$16,100$$

Question 14

Which of the following is the correct scientific notation for $$0.000000325$$?

Accepted Answer

$$3.25 	imes 10$$^{-7}$$

Question 15

A student needs to convert $$101,325,000 to $$scientific notation. What is the correct answer?

Accepted Answer

$$1.01325 	imes 10$$^{8}$$

Question 16

Which of the following statements about scientific notation is FALSE?

Accepted Answer

The exponent is always negative.

Question 17

A medical test result is reported as $$4.5 	imes 10$$^{-3}$$ mol/L. What is this value in standard notation?

Accepted Answer

$$0.0045$$

Question 18

Which of the following is the correct scientific notation for $$7170000$$?

Accepted Answer

$$7.17 	imes 10$$^{6}$$

Question 19

A student writes $$0.000000325 as$$ $$3.25 	imes 10$$^{-8}$$. What is the error in this notation?

Accepted Answer

The exponent should be $$-7.$$

Question 20

Which of the following best explains why scientific notation is used in chemistry and medicine?

Accepted Answer

It makes it easier to compare very large and very small numbers.

Scientific Notation: Format, Conversion, and Practice

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