Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 1 - Section 1.7 - Exponents and Order of Operations - Exercise Set: 57

Answer

$64$

Work Step by Step

Solve using PEMDAS (The priority list for solving expressions: Parentheses, exponents, [multiplication, division], [addition, subtraction]. For the operations in the brackets, solve from left to right) $(7+5^2)\div 4 \cdot 2^3 = (7+25) \div 4 \cdot 2^3 = 32 \div 4 \cdot 2^3 = 32\div 4 \cdot 8 = 8 \cdot 8 = 64$
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