C) 2×x×3×y
im just typing now bc it says i need 20 characters but yh

2x^9 x

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x3"   was replaced by   "x^3".  

STEP  1 :

Multiplying exponential expressions :

1.1    x4 multiplied by x3 = x(4 + 3) = x7

The Equation at the end of step  1 :

 ((2x7 • x) • x) • y

STEP  2:  Final result :

 2x^9 y

Hope this helps!

Brain-List?

a. the residual plot for model 1 has a random pattern and is a good fit for the data.

astronomers is your final answer! : )