3/5 * 3/3 = 9/15
4 3/5 = 4 9/15
1/3 * 5/5 = 5/15
2 1/3 = 2 5/15
Subtract = 2 4/15
Answer: 323
Step-by-step explanation:
The formula to calculate the sample size for proportion is given by :_

Given : Significance level : 
Critical value : 
Margin of error : 
The proportion of successes : 
Now, the required sample size will be :-

Hence, the minimum required sample size = 323
Before answering the exact question you sent, you have to understand one simple principle: there are two forms of a variable with a fraction as an exponent, exponential form and radical form.
Example:
![exponential\ form = x^{1/3}\\radical form = \sqrt[3]{x}](https://tex.z-dn.net/?f=exponential%5C%20form%20%3D%20x%5E%7B1%2F3%7D%5C%5Cradical%20form%20%3D%20%20%5Csqrt%5B3%5D%7Bx%7D%20)
If the exponent is a fraction, the denominator of the fraction is the number on the outside of the radical sign.
So, for #23, you would change
![\sqrt[3]{a}](https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7Ba%7D%20)
to

. Then, because the a is the same after the 2 and the 3, you can add them up to get

.
For #24, you'd do almost the same thing (change the radical-b's to

and

. However, you can't add them up because the exponents are different (1/4 and 1/3), so you'd leave it as
Answer:
49$ in commission
Step-by-step explanation:
700*.07 (7%) = 49$ which is the commission.