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Please help!!! I still have about 8 more to do ;;

Please help!!! I still have about 8 more to do ;;-example-1
User Zentuit
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1 Answer

5 votes
You can just manually add 6 until you come across 324. So the answer is 12 terms.

You can also use this formula:

Sum = n/2 * (2a + (n-1)d)

and solve for n.

(n = number of terms, a = starting term, d = common difference)


User Dess
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