Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - Chapter R Test Prep - Review Exercises: 42

Answer

There are 29 mini-marshmallows in one serving of Swiss Miss Chocolate.

Work Step by Step

Evaluate using the PEMDAS rule for order of operations. The PEMDAS rule summarizes the order of operations: First Priority; P - parentheses Second Priority: E - exponents Third Priorirty: M/D - multiplication or division, whichever comes first from the left Fourth Priority: A/S - addition or subtraction, whichever comes first from the left There are no parentheses and exponents so perform the multiplication or division first: $=3+8 \div 2-21-4+47 \\=3+4-21-4+47$ Perform the addition or subtraction (from the left): $=7-21-4+47 \\=-14-4+47 \\=-18+47 \\=29$ There are 29 mini-marshmallows in one serving of Swiss Miss Chocolate.
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