Answer:

Step-by-step explanation:
we have

Applying the rule power


Simplify

Answer:
7
Step-by-step explanation:
7^-1/7^-2=7
Take a better pic and I might be able too
Answer:
determine all the other angles amount and that will give you your answer, also find the two 180 degree angles, such as the one flat going left to right and the one at an angle going left to right
Step-by-step explanation:
A rational number times a rational number=rational numberan irrational number times a rational number=irrational number
remember, a rational number is a number that can be written as a/b where a and b are integers and b≠0
A is irrational because the pattern doesn't repeatb is irrational because it's a crazy square rootC is irrationalD is not irrational, it is a fraction
answer is D