brynnie513 brynnie513

04-04-2020
Mathematics

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Find the sum of the first 9 terms in the following series

64+32+16+...

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lexxfarr lexxfarr

04-04-2020

each term is being divided by 2, so first wrote out the terms.
64+32+16+8+4+2+1+.5+.25
i add in chunks of two terms to make it easier to grasp
96+24+6+1.5+.25
120+7.5+.25
127.75

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