Math, asked by anisa1094, 11 months ago

find the sum of the following aps 0.6 1.7 2.8​

Answers

Answered by Anonymous
3

Answer:

5.1

Step-by-step explanation:

0.6+1.7+2.8

a=0.6,d=1.7-0.6=1.1,n=3

sn=3/2(2*0.6+(3-1)*(1.1))

=3/2*(1.2+2.2)

=3*3.4/2

=5.1


anisa1094: sir n is equal to 100
Anonymous: ok then Sn=100/2(1.2+99*1.1)=50(1.2+108.9)=50*110.1=5505
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