Question

Use the rule Tn=5x2^n-1
to find the first five terms in the geometric sequence.

Answer 1

5, 10, 20, 40, 80

Explanation:

T(1) = 5 x 2^(1-1) = 5

T(2) = 5 x 2^(2-1) = 10

T(3) = 5 x 2^(3-1) = 20

T(4) = 5 x 2^(4-1) = 40

T(5) = 5 x 2^(5-1) = 80