Answer:
20x^11
Step-by-step explanation:
Why? because you mutiply the 4 nd 5 to get 20, then you multuply the x's, whihc if they have exponents, tou just add the xponents, so 6+5=11.
20[tex]x^{11}[/tex]
When you multiply exponents, you add the exponent numbers together.
4x * 5x = 20x
5 + 6 = 11
