Chapter 2 - Equations, Inequalities, and Problem Solving - 2.4 Applications with Percent - 2.4 Exercise Set - Page 109: 63

$0.88$ quadrillion.

Work Step by Step

The total Btu provided by the renewable energy sources is 8 quadrillion. Wind provided $11$% of this total: Wind contributed $8\times0.11=0.88$ quadrillion BTU.

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