Question

Possible grades for a class are A, B, C, D, and F. (No +/− 's.) How many ways are there to assign grades to a class of seven students?

Answer 1

Answer: 78125 ways

Step-by-step explanation:

Given : The number of possible grades = 5

The number of students in the class = 7

Then, the number of ways  to assign grades to a class of seven students :_

$5\times 5\times 5\times 5\times 5\times 5\times 5=5^7=78125$

Hence, there are 78125 ways to assign grades to a class of seven students .