Question

A home alarm system randomly assigns a six-character code for each customer. The code will not repeat a character. The characters are 1, 2, 3, 4, 5, M, T, G, Y, or R. What is the total number of codes that can be randomly assigned?

Answer 1

151200

Explanation:

is not the answere

Answer 2

Since order is important.

There are 10 characters, the total number of combinations is:

10!/4!=151200

Or if you prefer:

10*9*8*7*6*5=151200