No, they are not equivalent. The first term, -4 1/2 equals 4 whole units and one half unit. All negative. So it’s like you have someone 4 and 1/2 dollars.
The second term, (-4)1/2 means multiplying -4 times 1/2. Doing the multiplication for this gives you -4/2. Solving the division here is -2. It’s taking away 1/2 dollar 4 times.
I hope this helped. Happy to answer any questions you have.
Answer:74880 ft.lb
Step-by-step explanation:
Given
Dimension of pool
base=10 ft
width=20 ft
height=4 ft
Pool is half filled
volume of Pool
mass of water
mass
This pool is in the form parallelepiped therefore average distance
Work 
Answer: 9’ 9”
Step-by-step explanation:
Answer: 
Step-by-step explanation:
1. By definition, if
when
, then:

2. Keeping this on mind, to find the value of
when
, you must apply the following proccedure:

3. Now, you must solve for
, as following:

4. Then, the result is:

Answer:
V = 1815 pi units ^3
Step-by-step explanation:
The volume of a cylinder is given by
V = pi r^2 h
V = pi ( 11)^2 * 15
V = 1815 pi