#### Answer

140

#### Work Step by Step

$\sum ^{10}_{j=1}\left( 2j+3\right) =2\sum ^{10}_{j=1}j+\sum ^{10}_{j=1}3=2\times \dfrac {n\times \left( n+1\right) }{2}+3\times n=2\times \dfrac {10\times 11}{2}+3\times 10=140$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

140

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