Question

1. (a^{3} x a ^{2} =
2. (6^{-2})^{3} : 5^-1
3. (1/4^{-1}) ^{2} x (y^{-3})^{4}
4. f^{-3} x 4{2} x 5^{-4}

Answer 1

1. a^5
2. 6^-6 : 5^-1 =  5 per (6)^6
3. 1/4^{-2} x y^{-12} = 4^2 / y^12 = 16 / y^{12}
4. 1/ f^{3} x 4^2 x 1 / 5^4 = 16 / (f^3 x 5^4)