Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter R - Section R.3 - Decimals and Percents - Exercise Set: 33


$5,62\times7,7 = 43,274 \approx43,3$

Work Step by Step

Calculate this without the comma first and add it back in later: $562\times77 = 43274$ Then calculate $0,62\times0,7$. Again just ignore the comma: $62\times7 = 434$. These are three numbers and this is the amount of numbers behind the comma in your answer. So just put the comma back in and you answer is 43,274 which you can round to $\approx43,3$
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