Question

class 10 mathematics​

Answer 1

Answer:

${3}^{560 = ( {3}^2}) ^{280} = {9}^{280}$

Step-by-step explanation:

(3^560)/8 = 3^4(140)/8 =(81^140)/8

81^140/8 —(r)—> 1/8

Since 81/8 has remainder of 1

So (81•81•....140 times)/8 will be

(1•1•1•...140 times) /8

remainder is 1 (A)

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