# Solved > Chapter 1 1.Classify the number as a natural:2031168 …

1.Classify the number as a natural number, whole number, integer, rational number, irrational number and/or real number. If the number is a rational number, write it in fractional form. If the number is irrational, approximate its value to two decimal places.

–4.7

A)whole, integer, rational: C)rational: real

B)rational: D)irrational: –5

2.Classify the number as a natural number, whole number, integer, rational number, irrational number and/or real number. If the number is a rational number, write it in fractional form. If the number is irrational, approximate its value to two decimal places.

A)natural, whole, integer, rational: real

B)natural, whole, integer, rational:

C)natural, whole, integer

D)irrational: 2.24, real

3.Give an example of a real number that satisfies the given condition.

An integer between and

A)  8    B)  4    C)  2    D)  10

4.Graph the number on a real number line.

2.5

A)

B)

C)

D)

5.Compare the values of the pair of numbers. Use a <, >, or = symbol to make the statement true, if it is possible to determine.

A)  =    B)  <    C)  >    D)  not possible to determine

6.Find the opposite of the real number.

10

A)      B)      C)      D)

7.Simplify the absolute value expression.

A)  13.7    B)  –13.7    C)  –14    D)  14

8.Compare the values of the pair of numbers. Use a <, >, or = symbol to make the statement true, if it is possible to determine.

A)  <    B)  >    C)  =    D)  not possible to determine

9.Write the prime factorization of the number.

90

A)      B)      C)      D)

10.A certain region has approximately 16,800 people and approximately 12,800 own a cell phone. Write a fraction that represents the portion of cell-phone owners in this particular region.

A)      B)      C)      D)

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