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The formula for the nth term b of a geometric series is b=ar^n-1. Find n when b=1,024, a=16 and r=2.
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The formula for the nth term b of a geometric series is b=ar^n-1. Find n when b=1,024, a=16 and r=2.
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Apr 17, 2018
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The formula for the nth term b of a geometric series is b=ar^n-1. Find n when b=1,024, a=16 and r=2.
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Liu Guanghua
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Answer:
7
Explanation:
Delon
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Apr 18, 2018
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Delon
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1024=16*2^n-1
1024/16=2^n-1
Log(1024/16)=(n-1)*log(2)
n=(log(1,024÷16)÷log(2))+1
n=7
Tim Schaub
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Apr 22, 2018
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