Question

plz help me in this
question

Answer 1

=5^2 × t^-4/5^-3×5×2×t^-8

= 5^2× t^-4/5^-2 ×2 ×t^-8

=5^(2+2) × t^(-4+8) / 2

= 5^4 × t^4 / 2

= (5t)^4 / 2

Answer 2

5t^4÷2 is the answer