3 years ago

Help anyone please thanks

2 answers:

5 0

Answer: Choice C

We start with 8 and cut each term in half to get the next term
eg: 8*1/2 = 4
The common ratio is r = 1/2 found by taking any term and dividing it over its previous term

tamaranim1 [39]3 years ago

3 0

The common ratio r is 4/8 = 1/2 and the first term a1 = 8

an = a1 * (1/2)^(r-1)

an = 8 (1/2)^(r-1) which is choice C.

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