how many 2-digit or 3-digits numbers can be formed using the digits 1,2,3,4,5,6,8 and 9 if no repetition is allowed ?
The Answer to the Question
is below this banner.
Can't find a solution anywhere?
NEED A FAST ANSWER TO ANY QUESTION OR ASSIGNMENT?
Get the Answers Now!You will get a detailed answer to your question or assignment in the shortest time possible.
Here's the Solution to this Question
By Combinatorial Product Rule, the number of 2-digit numbers is equal to the number of 3-dogit numbers is equal to
Then the Combinatorial Sum Rule implies that the number of 2-digit or 3-digit numbers is equal to