math

Elisa need to pick a numerical password that contains 4 digits using the numbers 0-9 If none of the digits can be repeated, how many 4-digit passwords are possible

1. 👍 0
2. 👎 0
3. 👁 140
1. 10*9*8*7 is the number of passwords available.

1. 👍 0
2. 👎 0
2. 10*9*8*7

1. 👍 0
2. 👎 0

Similar Questions

1. math

A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 14 characters long, and that each character is either a lowercase letter, (a, b, c, etc), an uppercase letter (A, B, C, etc) or a

asked by john on November 8, 2015
2. math

find how many six-digit numbers can be formed from the digits 2,3,4,5,6,7 (with repetitions) if a) numbers formed must be even b) the numbers formed must be divisble by 25 c) the odd digits must occupy even position (2nd, 4th,

asked by anna on April 27, 2019
3. Math

By default, your numerical entry is scored as correct if it is within 1% of the correct answer. A rule of thumb is always to enter at least 3 digits for numerical questions. If the correct answer is 7.48809, which of the following

asked by Angel on September 28, 2011
4. Probability

A computer password is required to be 9 characters long. How many passwords are possible if the password requires 2 letter(s) followed by 7 digits (numbers 0-9), where no repetition of any letter or digit is allowed?

asked by Samuel on March 25, 2016
1. math

A computer password is required to be 5 characters long. How many passwords are possible if the password requires 1 letter(s) and 4 digits (numbers 0-9), where no repetition of any letter or digit is allowed?

asked by hana on November 2, 2015
2. maths

can you replace the stars with figures **** x 3 ______ ***** the whole calculation uses each of the digits 0-9 once and once only the 4 figure number contains three consecutive numbers which are not in order. the third digit is

asked by john on September 21, 2008
3. math

1.Which of the following numbers are equivalent to 20%? CHOOSE ALL THAT APPLY.!! A. 0.002 B. 1/4 C. 0.20(I PICK THIS) D. 1/5(I PICK THIS) 2.which of the following numbers are equivalent to 35%?CHOOSE ALL THAT APPLY !! A. 7/20 B.

asked by Matt on February 1, 2014
4. Math

A number has three distinct digits. The sum of the digits equals the product of the digits. How many three-digit numbers satisfy this condition?

asked by Ryan on September 4, 2016
1. Microsoft word

Elisa and Josh need to access General Help. Elisa will press the F1 key. Josh will click on ? in the upper-right corner of the Word document. Who will access General Help? A. Neither Elisa nor Josh B. Only Elisa C. Both Elisa and

asked by Daniela on July 17, 2016
2. math

While adding ten two-digit numbers the digits of one of the numbers were interchanged. As a result the sum of all the ten numbers increased by a value which was four less than that number. Three times the sum of the digits of the

asked by Suzanne on November 13, 2014