Answer:
[tex]4x^4z^5[/tex]
Step-by-step explanation:
[tex]xz^3 * 4x^3z^2[/tex]
As we are multiplying, we use the addition power law to simplify the powers of each term:
[tex]n^a * n^b = n^{a+b}[/tex]
[tex]4*x^{1+3}*z^{3+2}=4x^4z^5[/tex]
