raymundo2 raymundo2

15-06-2017
Mathematics

contestada

Find the sum of the first 8 terms in the sequence 2 8 32 128

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musiclover10045 musiclover10045

15-06-2017

the sequence is in multiples of 4 (2*4=8, 8*4=32, 32*4=128)

so 128*4=512, 512*4=2048, 2048*4=8192 & 8192*4=32768

2+8+32+128+512+2048+8192+32768=43690

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