# Chapter 1-3 - Cumulative Review - Page 228: 8

$2.6$

#### Work Step by Step

The addends have different signs, so subtract their absolute values and copy the sign of the number with the bigger absolute value. $|3.4|=3.4 \\|-0.8| = 0.8$ $3.4$ has a higher absolute value, so the sum is positive. Thus, $3.4+(-0.8) = |3.4|-|-0.8|=3.4-.8 = 2.6$

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