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charle [14.2K]
3 years ago
7

50 points! Can someone help please

Mathematics
2 answers:
gladu [14]3 years ago
7 0

Answer:

Option 4 (a1 = 1, r = 3)

Step-by-step explanation:

a1 = 1

r = 3

3 = 3(1)

9 = 3(3)

27 = 3(9)

81 = 3(27)

gregori [183]3 years ago
7 0

'a1' is the first number in a sequence

'r' is the common ratio

Thus, your answer would be d.

a1 = 1 and r = 3

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