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balu736 [363]
3 years ago
13

MARKING BRAINLIEST !! please help asap !

Mathematics
1 answer:
guajiro [1.7K]3 years ago
8 0

Answer:

78

Step-by-step explanation:

...............................

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Answer:

1023.75

Step-by-step explanation:

The sum of a geometric sequence is

sum = a( 1 - r^n) / (1-r)

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We need to find the common ratio

r = 256/512 = 1/2

sum = 512 ( 1 - 1/2^12) / ( 1-1/2)

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       =512(.999755859) /.5

     =1023.75

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WILL MARK BRAINLIEST IF YOUR ANSWER IS RIGHT AND WELL WRITTEN! The question is as follows: A sequence is determined by the term
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(not)d

Step-by-step explanation:

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