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PLEASE HELPP!!! DUE IN A MINUTE! Prove that the value of each expression is divisible by the given number. 8^7-8^6 is divisible by 7.
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PLEASE HELPP!!! DUE IN A MINUTE! Prove that the value of each expression is divisible by the given number. 8^7-8^6 is divisible by 7.

User TimothyAWiseman
by
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1 Answer

2 votes


8^7-8^6=8 \cdot 8^6-8^6=7 \cdot 8^6

Since
8^6 is an integer,
8^7-8^6 is divisible by
7.

User Vyacheslav Lukianov
by
8.3k points
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