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 - Page 74: 78



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) $\dfrac{5^2-2^3+1^4}{10\div5\cdot 4\cdot 1\div4} = \dfrac{25-8+1}{10\div5\cdot 4\cdot 1\div4} = \dfrac{25-8+1}{2} = \dfrac{18}{2} = 9$
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