Question

Carl needs to make a Twitter password. They only allow 3 letters then 4 digits. The letters can only be used ONCE. How many passwords are possible? (Note: Don't use commas for your answer since the answer here is in hundred million)

Answer 1

Answer:

919k

Step-by-step explanation:

dont thinks so correct but I have read it

Answer 2

Answer:

175760000

Step-by-step explanation:

there are 26 in letters and 10 numbers in num pad

26^3 x 10^4 = 175760000 =)