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Degger [83]
3 years ago
7

For the geometric sequence with a1=4 and r=5, find a5

Mathematics
1 answer:
kari74 [83]3 years ago
6 0
General form of a geometric sequence:

A(n) = A1 × r^(n-1)

A(5) = 4 × 5^(5-1)

A(5) = 4 × 5^(4)

A(5) = 4 × 625

A(5) = 2500
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