Answer:
answer is 18
Step-by-step explanation:
16
b^2
Let b= -4
(-4)^2
Note:
Do the square first, and then you do mathematic operation between the parentheses. And, then do the
mathematic operation in the outside of parentheses.
Thank you.
3x²y³·x⁴y = 3x²x⁴y³y = 3x²⁺⁴y³⁺¹ = 3x⁶y⁴
ok?
13n+20