Answer:
combine like terms.
Step-by-step explanation:
none of the other answers seem correct.
(-4n^(2))* (5n^(7)):-20n to the power of 9
(2x)^(3)*(5x^(4 ))^(2): 200x to the power of 11
Answer:
16x- 20y=20
Step-by-step explanation:
20y-20y =0
so answer is 16x
Answer should be $174.91? if that isnt an option tell me and i will regroup