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posted by Embraced on Tuesday, January 24, 2012 at 7:32pm.

What is the lat term, in a series of 10 terms with a common ratio of 2, a first term (a1) if 1 and a summation of 1023

You have a,r,n Tn = a*r^(n-1) T10 = 1*2^9 = 512

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