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Mathematics 11 Online
OpenStudy (anonymous):

Check Please! What is the 17th term in the sequence? 4, 8, 16, 32, 64, . . . My Answer - 262144

ganeshie8 (ganeshie8):

do you mean +262144 ?

OpenStudy (anonymous):

Yes. :)

ganeshie8 (ganeshie8):

you're right! http://www.wolframalpha.com/input/?i=4*2%5E%2817-1%29

OpenStudy (danjs):

4*2^(n-1)

OpenStudy (danjs):

for n=17

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