PLEASE HELP URGENT multiple choice algebra question:

Mathematics

1 answer:

Law Incorporation [45]3 years ago

5 0

Answer:

an=29.7(1/3)^(n−1)

Step-by-step explanation:

The first term, a1, is 29.7.

The common ratio, r, is 9.9/29.7 = 1/3.

The generic explicit rule is ...

an = a1·r^(n-1)

Filling in the values you have gives the explicit rule ...

an = 29.7(1/3)^(n-1)

_____

Please note that parentheses on the exponent are essential. Without them, the expression has a different meaning entirely.

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