1: 2.23
2: 0.77
3: 2/3 or 0.6
4: 0.83
5: 1.41
13
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Multiply by
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to make the denominator of
13
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real.
13
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Combine.
13
(
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)
(
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)
(
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)
Expand
(
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)
(
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)
using the FOIL Method.
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13
(
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)
−
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⋅
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⋅
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(
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Simplify.
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13
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9
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2
Simplify each term.
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13
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)
9
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4
Reduce the expression by cancelling the common factors.
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The answer is the third one. which is:
He made a computation error when he added 10.35+7.6
Amount of data you use is the dependent variable because it depends on how much you will pay
