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Alex73 [517]
3 years ago
6

I have Ben working on this same question for about 10 minutes. I could really use some help please.

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

b

Step-by-step explanation:

a_{1}=4,\\a_{n}=\frac {1}{3} a^{n-1}\\r=\frac{a_{n}}{a_{n-1}} =\frac{1}{3}\\explicit~rule~is\\\\a_{n}=a_{1}r^{n-1}\\a_{n}=4(\frac{1}{3})^{n-1}

Anika [276]3 years ago
7 0

Step-by-step explanation:

Every next term is 1/3 times of the previous term. The first term is 4.

Hence the rule is An = 4 * (1/3)^(n-1).

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