Answer:
w = 4.5 in
Step-by-step explanation:
V = lwh
138.24 = 9.6(3.2)w = 30.72w
w = 4.5 in
The area of a rectangular prism is found with the formula
2(wl+hl+hw)
where w is width, h is height, and l is length
The area is sqrt 664
Each question has four choices, then the probability to guess a correct answer is

and the probability to select incorrect choice is

.
You have a 5-question multiple-choice test, then n=5. The <span>probability that you will guess exactly three out of five questions correctly is </span>
<span /><span>
</span><span>

</span>

.
<span />
The answer is 2[2^2(2-1)]=2*4*1=8