Question: When choosing a 7 - character password, the first 2 characters must be letters selected from A through Z and the remaining characters must be

When choosing a 7-character password, the first 2 characters must be letters selected from A through Z and the remaining characters must be digits selected from 09. No letter or digit can be repeated. How many passwords are possible?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Q:

5. You are being prompted to change your password. The allowable characters include 26 upper case letters, 26 lower case letters, 10 digits, and four special characters (!,@,#,&). Calculate how many...

Q:

MultiThreading Hi! I asked this question yesterday and there may have been some change in how Chegg does its answers or viewing of questions, But i need the code for the Discover, Reveal, and Expose...

Q:

Hey, I'm sorry I know this question has been on the site before, but i cant find the answer that correctly works for this problem, If you the one doing the 4 step Chegg answer, the method for sorting...

Q:

Write down the set containing the letters of your first name and the digits in your ECU student number. For example, if your name is JULIA and your student number is 1 0 9 8 4 9 2 1 , your set would...

Q:

i need help with these questions pls Math 131 Name Quiz 4 (Secs. 4.1 & 4.2) Total Points: 18 INSTRUCTIONS: Show all your work and good luck. Round all solutions to the hundredths place. Submit a pdf...

Q:

2. Motorcycle license plates consist of five characters. The first two characters must be letters that cannot repeat. The last three characters must be digits where the digits can repeat, but the...

Q:

2. Motorcycle license plates consist of five characters. The first two characters must be letters that cannot repeat. The last three characters must be digits where the digits can repeat, but the...

Q:

Need help on this UserEntryProgram java program. The first picture contains the instructions from the first program and the second picture contains instructions for the revised version. I need help...

Q:

Section 4 - 5: Counting Techniques A whole number with the specified number of digits is to be made using the digits in Set A Set A = { 1 , 3 , 4 , 6 , 8 , 9 } 1A. How many 3 digit numbers can be...

Q:

I need some assistance on how to count the special characters, letters and numbers from a generated password in Python. The password generator is fine , the only part I'm having issue with is how to...

Q:

A cylinder/piston arrangement contains water at 105C, 85% quality with a volume of 1 L. The system is heated, causing the piston to rise and encounter a linear spring as shown in Fig. P3.105. At this...

Q:

Bruce Lee is the proprietor of Lees Picture Framing. He uses the perpetual method to record inventories. The accounting period is 12 months. LEES PICTURE FRAMING Trial Balance (Extract) as of 30 June...

Q:

Sandy received $ 6 0 . 0 0 0 of compensation from her employer and she recelved $ 5 0 0 of interest from a corporate bond. What is the amount of Sand / ' s gross income from these items? $ 6 0 . 0 0...

Q:

A 3-year project is expected to produce a cash flow of $82,400 in the first year and $148,600 in the second year. The project has a present value of $303,764.34 at a discount rate of 12.75 percent....