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Given an arithmetic sequence described by the formula a= -2(n - 1) + 7 find a^28​

User Vikasmk
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3 votes

Answer:

-47

Explanation:

Given the arithmetic sequence described by the formula;

a= -2(n - 1) + 7

To get a28, we will substitute n = 28 into the expression

a28 = -2(28-1)+7

a28 = -2(27)+7

a28 = -54+7

a28 = -47

Hence a28 is -47

User Mangerlahn
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