how do i simplify this to a positive exponent, m^4 x 2m^-3

Question

 combining and simplifying, must be positive at the end

Answer 1

m⁴ (2m^-3) = 2m^4-3 = 2m¹ = 2m

Answer 2

Add the exponents when multiplying monomials of the same base.

 

4 + -3 = 1

 

So you get 2M^1 = 2m