brynnie513 brynnie513
  • 04-04-2020
  • Mathematics
contestada

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

64+32+16+...

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lexxfarr
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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