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Unit 2: Real Numbers Pre-Test
Contribuição de: Gifford
1.  List all subsets of real numbers to which
    -2 belongs.
Natural, Whole, Integers and Rational
Irrational
Integers
 Integers and Rational
2.  Write the fraction 5/8 as a decimal.
3.  Write the decimal 0.24 as a fraction
      in simplest form.
4.  Write the following numbers on the number
     line below in the appropriate boxes:  -1.3, -⅓,
     √5, and 1.3
5.  Give the standard form of (3 x 100) + (4x 10) +
     (2 x 1) + (5 x 0.1) + (2 x 0.01)
6.  Which symbol would make the following
     a correct statement?

          7/8           0.875
  >
  <
  =
None of the above
7.  Which two whole numbers is √94 between?
and
8.  Which decimal is closest to the
    cube root
of 530?
  8.1
  9.3
  4.2
  5.5
9.  Write 0.444444... as a fraction.
10.  Simplify 5x2(2x4).
  7x6
 10x6
 10x8
 7x8
11.  Simplify  the following:

                8w-8
                    4w-11
 4w19
 2w-19
 2w-3
 2w3
12.  Evaluate √121
13.  Write the following in order from least
       to greatest:  0.23, -0.21, ⅛, and -¼
,
,
,
x =
14.  Solve the following equation:
       x2 = 81
15.  Write the following value as a decimal rounded
       to the nearest hundredth:  5⅛
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