Math
posted by Jane .
The 8th term of a g.p is 7/32 fine it's common ration if its first term is 28

term 1 = a = 28
term 2 = a r
term 3 = a r^2
term 8 = a r^7 = 7/32
28 r^7 = 7/32
r^7 = 1/(4*32)
r^7 = 1/2^7
r = 1/2
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