Answer
Parentheses aren't necessary .
Work Step by Step
Parentheses aren't necessary in this expression
3 + (4$\times$ 5) = 3 + 20 =23
3+ 4$\times$ 5 = 3 + 20 =23
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 2 - Section 2.5 - Order of Operations - Exercise Set - Page 141: 101
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