Question

HELP! - 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?

|
A: 6+10
B: 6x10
C: 10x10x10x10x10x10
D: 6x6x6x6x6x6x6x6x6x6

Answer 1

Answer: c

C: 10x10x10x10x10x10

Answer 2

each digit can be between 0 and 9, which is 10 digits
to find the number of combinations you would multiply the number pf digits to choose from (10) by the number of digits required (6)

so you would have 10 x 10 x 10 x 10 x 10 x 10

the answer would be C.