1.

7th terms of the series 16,8,4,2 is

Answer»

Answer:

1/4

Step-by-step explanation:

nth term = ar^(n-1)

a = 16 = 2^4

a2 = 8 = 2^3

a3 = 4 = 2^2

r = a2/a = 2^3/2^4 = 1/2

a7 = ar^(7-1) = 16(1/2)6 = 16×1/64 = 1/4



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