Question

Simplify and give answer as positive exponentK618. a) x4.x-7b)k4

Answer 1

b) To simplify the expression, we will use an exponent property

`(a^n)/(a^m)=a^(n-m)`

In this case we have that a = k, n = 6 and m = 4.

So we must replace the values,

`(k^6)/(k^4)=k^(6-4)=k^2`