SOLUTION: Canadian postal codes consist of three letter (A-Z) and three digits (0-9), which alternate and start with a letter. For example, L2P 3T3 is a postal code from St Catharines, Ont

Question 923419: Canadian postal codes consist of three letter (A-Z) and three digits (0-9), which alternate and start with a
letter. For example, L2P 3T3 is a postal code from St Catharines, Ontario.
a) How many postal codes can be created using this system?
b) How many postal codes could be created if no digit or letter can be repeated?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
LDL DLD
---
answer a:
26*10*26*10*26*10
17576000
---
answer b:
26*10*25*9*24*8
11232000
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php
RELATED QUESTIONS
In Canada, postal codes consist of 6 characters- 3 letters and 3 digits. Each postal code (answered by josmiceli)

Postal codes in Canada have six characters, with the first, third, and fifth characters... (answered by ikleyn)

An identification code is to consist of 4 letters followed by 3 digits. Determine the... (answered by VFBundy)

a personal password is to consist of a letter, followed by two digits, followed by 2... (answered by nerdybill)

A four-character password consist of the alphabet and three different digit between 0... (answered by sudhanshu_kmr)

You need to choose a password for computer account. The rule is that the password must... (answered by ikleyn)

To mail a first class letter, the U.S. Postal Service charges $0.49 for the first ounce... (answered by Theo)

how many different three letter codes are there if only the letters a,b,c,d,e,f are used... (answered by stanbon)

a code is to consist of three digits followed by three letters. Find the number of... (answered by tommyt3rd)