SOLUTION: How many three-digit numbers can be formed using only the digits 0 and 5?

Algebra ->  Probability-and-statistics -> SOLUTION: How many three-digit numbers can be formed using only the digits 0 and 5?      Log On


   



Question 513784: How many three-digit numbers can be formed using only the digits 0 and 5?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How many three-digit numbers can be formed using only the digits 0 and 5?
-------------
1's digit: 6 ways
10's digit: 6 ways
100's digit: 5 ways
----------------------
Total number = 5*6*6 = 30*6 = 180 3-digit numbers
=====================================================
Cheers,
Stan H.
==========