Question

(x^-4)^5
please simplify the expression

Answer 1

`(x ^(-4) )^(5)`

Apply exponent rule :


`(a^b)^c = a^ ^(b.c)`


`=x ^((-4)*5)`


`(-4)*5`


`= - 20`

Apply exponent rule :


`a ^(-b) = (1)/(a^b)`


`= (1)/(x ^(20) )`

hope this helps!