Register

Geraldine is picking a four-digit password by using the digits 0 through 9. She can use each digit only once. How many different passwords are possible

Geraldine is picking a four-digit password by using the digits 0 through 9. She can use each digit only once. How many different passwords are possible
asked 9.9k views
5 votes
Geraldine is picking a four-digit password by using the digits 0 through 9. She can use each digit only once. How many different passwords are possible

asked
User Robert Durgin
by
8.1k points

2 Answers

3 votes
The answer is 2 because 10/4 = 2.5 and we can't have half of a password.
answered
User Greg Answer
by
7.6k points
5 votes
Number of ways = 10C4 = 10 x 9 x 8 x 7 = 5040

Answer: 5040
answered
User Altimir Antonov
by
8.6k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
Link Copied!