Answer:
1/2 rational exponent represents a square root.
Therefore, option A is correct.
Step-by-step explanation:
As we know that raising to the one-half power i.e. 
is the same
as taking the square root.
- so
is the same as the square root of 
.
For example, taking the square root of 4 will determine:
so the expression becomes
∵ 
so, 1/2 rational exponent represents a square root.
Therefore, option A is correct.
Answer:
is the question What is 10 percent of 125? = 12.5?
Step-by-step explanation:
if it was here you go
edit:
that is what it is supposed to look like
4
2
−
4
−
(
3
2
−
3
)
=
Answer:
Step-by-step explanation:
Answer:
45 workers.
Step-by-step explanation
In 90 hours 15 workers will build one wall
So in 90 hours it w1ll take 1 worker to build 1/15 of a wall.
In 30 hours he would build 1/45 of a wall.
So to build the whole wall in 30 days it will take 45 workers.
