Answer:
B.
.
Step-by-step explanation:
Use the power of a power property.

Multiply all the exponents in the parenthesis by 2.

The answer is B.
.
Hope this helps!
A lot, 1:6 + 3:4 +3 = .116789465 hope this helps....
Answer:
3 km
Step-by-step explanation:
He starts by going 5 km east, then he turns around and goes 2 km west. So he is now 3 km from his house.
The sum of all that stuff is a number from here to there