Question

0.7+0.71+0.72...................to
100 terms sum

Answer 1

Heya!!

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We know that: a=0.7 d=0.01 n=100

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Sn=n/2 [2a+(n-1)d]

=100/2 [2(0.7)+(100-1)0.01]

=50 [2.39]

=119.5

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Hope it helps: ))