Question

simplify (243x^10)^4/5

Answer 1

= 243^(4/5)*x^(40/5)
= 81x^8

Answer 2

how did you get 40/5?

Answer 3

when you have one number like x*10 - x on exponent 10 and on exponent 4 again - that on double exponent you need multiply the exponents - like in your problem 10 multiply with 4 and you get 40 - hope that it's understood it