Answer:
Yes
Step-by-step explanation:
Because they are real integers in the esxponent.
I think -4 would be decreasing.
Answer:
You need to add more context to the question. I cannot answer it without knowing what "These scales" are.
Answer:
5.15625
Step-by-step explanation:
*Multiply the bottom and add the top
*Then divide the top number by the bottom using a calculator to get a decimal.

Thus for the two equations to be equal,
a = 16 and
b = 2.