Question

25×t^-4÷5^-3×10×t^-8

Answer 1

25t^-4/5^-3 x 10t^-8

=> 5^2.t^-4/5^-3 x 5 x 2t^-8

=> 5^(2+2).2^-1.t^(-4+8)

=> (625/2)t^4

Answer 2

25×t⁻⁴÷5⁻³×10×t⁻⁸
=25/t⁴×5³×t⁸/10
=25/t⁴×125×t⁸/10
=625×t⁴/2
=312.5×t⁴