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Natalka [10]
3 years ago
10

Help anyone please thanks

Mathematics
2 answers:
zmey [24]3 years ago
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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