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51^7 -51^6 by 25 __*25
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17 votes
51^7 -51^6 by 25
__*25

51^7 -51^6 by 25 __*25-example-1
User Azamat Mahkamov
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3.1k points

1 Answer

12 votes

Answer:

Step-by-step:

51⁷-51⁶ = 51⁶(51-1) = 51⁶(50)

50 is divisible by 25, so 51⁷-51⁶ is divisible by 25.

User Yacoob
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