Question

a=[(7^2x10^3+6^2x10^3+2x10^4-5000):5^3]:8

Answer 1

a = (7^2.2^3+6^2.2^3+2.5.2^4-40) : 8

   = (7^2.8+6^2.8+2^2.5.8-5.8) : 8 

   = 7^2+6^2+2^2.5-5 = 49+36+20-5 = 100

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