What is the next term of the geometric sequence 7,21,63

asked Oct 20, 2021 108k views

1 vote

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6 votes

Answer:

Explanation:

Tn = ar^(n-1)

a = 7, r = 21/7 = 3, n = 4

T4 = 7 × 3^(4-1)

T4 = 7 × 3^3

T4 = 7 × 27

T4 = 189

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