1.

Find the remainder when 75^80 is divided by 7

Answer»

Answer:

1

Step-by-step EXPLANATION:

LET 75^80/7

be

(70 + 5)^80/7

70^n is divisible by 7

Remainder will be

5^80/7

then

(5^5)^16/7

3375^16/7

(3374 + 1)^16/7

3374^n is divisible by 7

then

remainder will be

(1)^16

1



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