Here's the question you clicked on:
mariahelisabethann
What is the simplified form of 3a^4 b-^2 c^3 ?
What do you mean by simplified? No negative exponents?
If you have posted the problem correctly, and there truly are no parentheses, then choose the last one.
Okay, thank you(: there are four more, can you help with them?
Give him a metal via "Best Response" medal and make a new question if you want a question another done.