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24-02-2019
Mathematics

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Prove the divisibility of the following numbers: 8^10−8^9−8^8 by 55

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24-02-2019

Explanation:

8^10 -8^9 -8^8 = 8^8·(8^2 -8 -1) = 8^8·(64 -8 -1) = 8^8·55

Any multiple of 55 is divisible by 55.

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