Register
How many 4-digit pin numbers can be made that contain a letter first, followed by 3-digits?
139k views
0 votes
How many 4-digit pin numbers can be made that contain a letter first, followed by 3-digits?

User Tschuege
by
7.4k points

1 Answer

7 votes
there are 26 letters in the alphabet, so 1st digit can be 1 of 26

there are 10 numbers from 0-9, so the 2nd, 3rd and 4th digits can be 1 of 10 each

total combinations = 26 * 10 * 10 * 10 = 26,000


User Firas Dib
by
7.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.8m questions

11.4m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!