Answer:
10
Step-by-step explanation:

4 x 5 = 20
= 10
Answer:
$4
Step-by-step explanation:
40/100=0.4
(10)0.4=4
729 is 3 to the 5th power
3 x 3 x 3 x 3 x 3 is 729
Steps:
What do all of these have in common?
~ all of the leading coefficients are divisible by 5
~ all have at least 3 x's
~ all have at least 1 y
Now all we have to do is pull those out:
answer: 5x^3y