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PURESTJENIN
Answered

If a_1=5, and the r=4, then a_12= ?​

Sagot :

RSQUARED42IN

Answer:

(Formula used: a_n = a_1 (r^(n-1))

a_12 = 5 (4)¹¹ = 5 (2)²² = 5 (4194304) = 20971520

This is a geometric sequence, since this sequence has the element r.

That's all. Hope it helps.

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