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.

Accepted Answer

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

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