Answer: 16
Step-by-step explanation:

Let's complete the square.



2^3:
a) 2 x 2 x 2
b) 8
3^2 x e^3:
a) 3 x 3 x e x e x e
b) 9e^3
You are wrong.
1, 2, 3 and 4 are correct.
5. 75%
6 is also correct
7. 100%
8. 50%
Answer:
2
Step-by-step explanation:
This is because it got 2 times bigger