Question

Which term of the progression 1 + 3 + 9 + 27 + . . . . is 243
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Answer 1

Answer:

27.

Step-by-step explanation:

Let the last term = 243.

a = 1, r = 3/1 = 3.

L = ar^n-1.

243 = 1 × 3^n-1.

243 = 1 × 3n×3.

243/3 = 3n

81 = 3n

n = 27.

GOD BLESS THE PRINCESS.

Answer 2

Answer:

$ANSWER$

N = 27