Question

her is the question no 7

Answer 1

Hey Friends,
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81^2^3^0^4^7 - 19^2^4^0^8^9
=81^2^3^0 - 19^2^4^0
=81^2^1 - 19^2^1
=81^2 - 19^2
=6561 - 361
=6200

b)6200 is right answer.

Hope it's help you!!!!
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