Mathematics: Prove the divisibility of the following numbers: problem a: 8^10−8^9−8^8 by 55 = ? * 55 problem b: 81^7−27^9−9^13 by 45 = ? *45

Prove the divisibility of the following numbers:

Ответ:

sarahparah002

15.03.2022

Mathematics

$8^{10}-8^9-8^8=8^8(8^2-8-1)=8^8(55)$

$81^7-27^9-9^{13}=3^{28}-3^{27}-3^{26}=3^{26}(3^2-3-1)=3^{26}(5)=3^{24}(45)$

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Ответ:

niele123

10.01.2022

Mathematics

Perpendicular means the reciprocal of the slope. So it would be 1/2

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Prove the divisibility of the following numbers: problem a: 8^10−8^9−8^8 by 55 = ? * 55 problem b: 81^7−27^9−9^13 by 45 = ? *45

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