emendyladosalya emendyladosalya

01-01-2017
Mathematics

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

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LamZhaoWei LamZhaoWei

01-01-2017

2x4=8
8x4=32
32x4=128
128x4=512
512x4=2048
2048x4=8192
8192x4=32768
32768x4=131072
2+8+32+128+512+2048+8192+32768=43690

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