Question

a^4(a^-1)(a^3)

Answer 1

Just add all the powers...
(a^x)(a^y)(a^z)=a^(x+y+z)

Answer 2

We have :
a^4*a^-1*a^3
K ?:)
And if we have x^-y have :
1/x^y
For example :
8^-2=1/8^2
7^-6=1/7^6
Got it ?:)

Answer 3

@btwerbs

Answer 4

thank you so much! @E.ali

Answer 5

You re welcome :)