Answer:
a:500 b:547,500 c:557,500
Step-by-step explanation:
So you would put 9 in for both of the D’s . Which would be 3(9) + 9^2. You will simply it and it’ll be 27+81 which is 108. THE ANSWER IS 108
If you ever times a number by 0 then the answer will be 0 no matter what
I believe 10% because 390 and 39 are exactly the same numbers almost