Find the sum of the first 15 multiples of 8 .
Answers
Answered by
2
Answer:
so the ans is 60+60=120
15 ×8=120
Step-by-step explanation:
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Answered by
1
Answer:
120.
Step-by-step explanation:
a=8
n=15
d=8
an=?
an=a+(n-1)d
an= 8+(15-1)8
an= 8+14×8
an= 8+112
an=120
Hence the sum of first 15 multiples of 8 is 120.
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