Answer:
A
Step-by-step explanation
Well the boys can be chosen again all in a row but the girls cdan't therfore the answer is A
Hope This Was Helpful!
B^n+5
When multiplying exponents the numbers are added
Given :
Nathan smiled at 50 people one day and recorded that 36 people smiled back at him.
To Find :
How many people should Nathan expect to return a smile if he smiles at 650 people over a period of time.
Solution :
Ratio of people smiled by total number of people is :

Now, it is given that we have to use the given conditions.
Therefore, ratio will be same :

Therefore, number of smiles Nathan expect to return is 468.
Answer:
48 is the even number
81 is the square number
13 43 23 are the prime numbers