An=−2+32(n−1) What is the 21st term of the sequence?

Question

asked Jan 12, 2023 15.2k views

1 Answer

Artur Czajka · Answer 1 · 2023-01-18T03:03:37+0000

Answer:

a₂₁ = 638

Explanation:

substitute n = 21 into the explicit formula

a₂₁ = - 2 + 32(21 - 1) = - 2 + 32(20) = - 2 + 640 = 638