Question 9 • Concepts in Probability and Statistics - MA3120 A-CR
Chloe must pick a 6-digit personal identification number for her bank card. Each digit must be between 0 and 9. Which expression represents the number of different combinations of 6-digit numbers she can create?
Answer
A
6 + 10
B
6 times 10
C
10 times 10 times 10 times 10 times 10 times 10
D
6 times 6 times 6 times 6 times 6 times 6 times 6 times 6 times 6 times 6