Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Appendix A - Basic Algebra Review - A Exercises - Page A-15: 70

Answer

$120 $.

Work Step by Step

The given expression is $=2^3+4\left [7^2 +\frac{15+6}{3-4} \right]$ Solve the fraction in the square bracket. $=2^3+4\left [7^2 +\frac{21}{-1} \right]$ Calculate the exponent in the square bracket. $=2^3+4\left [49 -21 \right]$ Subtract in the square bracket. $=2^3+4\left [28 \right]$ Multiply. $=2^3+112 $ Calculate the exponent. $=8+112 $ Add. $=120 $.
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