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