Answer
Exact: $115.123$, Estimate: $120$ so the answer is reasonable.
Work Step by Step
Exact: $100.009+6.08+9.034 = 115.123$
Estimate: $100+10+10=120$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 5 - Section 5.2 - Adding and Subtracting Decimals - Exercise Set - Page 348: 13
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