Question 1

Which of the following numbers is classified as an irrational number?

Accepted Answer

$\sqrt{2}$

Question 2

A company reported a net income loss of $-148$ million dollars for the fiscal year 2016. Which type of number best represents this value?

Accepted Answer

Integer

Question 3

Express $68,644,000$ in scientific notation.

Accepted Answer

$6.8644 	imes 10^7$

Question 4

Which unit of measurement is most appropriate for measuring the angle of a triangle?

Accepted Answer

Degree

Question 5

Round the number $0.00000558450$ to three significant figures.

Accepted Answer

$0.00000558$

Question 6

Which of the following is the correct set notation for the set of natural numbers between $4$ and $12$?

Accepted Answer

$\{5, 6, 7, 8, 9, 10, 11\}$

Question 7

Simplify the expression $2^3 	imes 5^2$.

Accepted Answer

$200$

Question 8

Express $0.0000063464$ in scientific notation.

Accepted Answer

$6.3464 	imes 10^{-6}$

Question 9

A company had annual sales of $251.0$ million dollars in 2008. If the sales increased by $12\%$ in 2009, what were the sales in 2009? (Round to the nearest tenth)

Accepted Answer

$281.2$ million

Question 10

Which of the following numbers is a rational number?

Accepted Answer

$\frac{8}{3}$

Question 11

Rewrite the number $9.654 	imes 10^1$ in standard notation.

Accepted Answer

$96.54$

Question 12

If you round $85.674$ to three significant figures, what is the result?

Accepted Answer

$85.7$

Question 13

Which of the following is NOT a type of measurement unit?

Accepted Answer

Fraction

Question 14

Simplify the expression $\frac{1}{2} + \frac{3}{4}$ and round your answer to the hundredths place.

Question 15

Which of the following best describes the number $0$?

Accepted Answer

Whole number

Question 16

If a measurement is recorded as $3.4567$ and you are asked to round it to two significant figures, what is the result?

Accepted Answer

$3.5$

Question 17

Which of the following numbers is NOT an integer?

Accepted Answer

$2.5$

Question 18

Express $0.000085674$ in scientific notation rounded to three significant figures.

Accepted Answer

$8.57 	imes 10^{-5}$

Question 19

Which of the following is the correct way to simplify $\left(2^2\right)^3$?

Accepted Answer

$2^{2 	imes 3} = 2^6$

Foundations of Statistics: Numbers, Measurement, and Scientific Notation

Study Guide - Practice Questions

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