#### Answer

10100

#### Work Step by Step

$\sum ^{100}_{k=1}2k=\dfrac {a_{1}+a_{10}}{2}\times 100\Rightarrow a_{1}=2\times 1=2;a_{n_{0}}=2\times 100=200\Rightarrow S=\dfrac {2+200}{2}\times 100=10100$

Published by
Pearson

ISBN 10:
013421742X

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

10100

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