7. A square has an area of 20 square feet. What is the length of a side of the square, in feet?
2 answers:
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Answer:
A = 3/2
B = 3
C = 6
D = 12
Step-by-step explanation:
Simply plug it in. When you have a negative exponent, you basically switch the sign of the exponent and put a one over the number itself.
- So we have 2^-1. This is the same as
= a
- Now do
= b
- Then do
= c
- Finally do
= d