Question

find the sum of first 10 multiples of 6​

Answer 1

Answer:

Answer is 330.

Hope it helps you!!!

Answer 2

Answer:

330

Step-by-step explanation:

first 10 multiples

that is from 6 to 60

let a be first term and d be the difference

a=6 d=6

tn(last term)=60

applying formula

tn=a+(n-1)d

60=6+(n-1)6

54/6=n-1

10=n

now let's find sum

sn=n/2[ a +tn]

=5[66]

=330

>>THIS IS THE CORRECT ANSWER<<

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