# HELP PLEASE NEED ASAP- FIVE QUESTIONS ON SCIENTIFIC NOTATION Combine the like terms in the expression. A. -12x^4 + 7x^4 + 6x^4 B. 2r + 7r + 16x C. 30z^8 + 7z^8 + 8z D. 15a^2 - 15b^2 + 13a^2 - b^2 E. 7x^2 - 82x + 12x^2 - 2x

QUESTION POSTED AT 26/03/2020 - 02:27 PM