Simplify: (2^3 x 5^2)^2.

(2^3)^2 x (5^2)^2 = 2^6 x 5^4 = 64 x 625 = 40000.

(-2)^(-3) = 1 / (-2)^3 = 1 / (-8) = -1/8.

Which is greater: 2^5 or 5^2? Verify.

2^5 = 32 and 5^2 = 25. So 2^5 is greater.

Class 7 · Mathematics

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Simplify: 3^5 x 3^7 / 3^10.

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