Answer:
part 7 = 15cm
Step-by-step explanation:

I got -4a^-5 x b^-8
/
c^4
I'm pretty sure I did that right, it's been a while since I've done this. But I'm pretty sure
Answer: 10
Step-by-step explanation: When multiplying integers,
if the signs are the same, the product is positive.
So a negative times a negative always equals a positive.
Therefore, -5(-2) is 10.
Answer:
20%
Step-by-step explanation:
10 each dollar is 10% for 2 dollars =20%