Use problem solving strategies to solve the problem.
-There is a number between 2 and 8, such that if you raise any of the remaining numbers to the power of this number, the units digit of the result will always be equal to the base. What is the
Number?
A)3
B)6
C)5
D)8

Question

Quizplus · Accepted Answer

The correct number is 5. When any number (except 0) is raised to the power of 5, the units digit of the result is always the same as the units digit of the base number. This is due to the cyclical nature of powers in their units digits.

Use Problem Solving Strategies to Solve the Problem