How would i write a recursive formula for 15625, 6250, 2500, 1000

1 answer:

8 0

This is a geometric sequence.

a = 15625,

Common ratio = 6250/15625 = 2500/6250 = 0.4

an for GP = ar^(n - 1)

= 15625*(0.4)^(n - 1)

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