Question

simplify

(-4r^5) (2r^8)

Answer 1

[AI-generated answer — Bot GPT 3.5]

To simplify (-4r^5)(2r^8), you can multiply the coefficients and add the exponents for the same variable.

Multiply the coefficients:
-4 * 2 = -8

Add the exponents for r:
5 + 8 = 13

Therefore, (-4r^5)(2r^8) simplifies to -8r^13.