Choose the one alternative that best completes the statement or answers the question.
-The access code to a houseʹs security system consists of six digits. How many different codes are available if each digit can be repeated?
A)1,000,000
B)46,656
C)64
D)6

Question

Quizplus · Accepted Answer

There are 10 possible choices for each of the six digits (0-9), so the total number of possible codes is 10^6 = 1,000,000. There are 10 possible digits (0-9) for each of the 6 positions in the access code. Therefore, the total number of possible codes is: 
10 x 10 x 10 x 10 x 10 x 10 = 1,000,000. So, the correct answer is A.

Choose the One Alternative That Best Completes the Statement or Answers