SOLUTION: How many three-digit numbers greater than 300 can be formed from 0, 1, 2, 3, 4, 5 and 6, if each digit can be used only once?

Algebra.Com
Question 479193: How many three-digit numbers greater than 300 can be formed from 0, 1, 2, 3, 4, 5 and 6, if each digit can be used only once?
Answer by Edwin McCravy(20055)   (Show Source): You can put this solution on YOUR website!
Choose the 1st digit any of 4 ways: 3, 4, 5, or 6
Choose the 2nd digit any of 6 ways: any of the six which 
you didn't choose for the 1st digit.
Choose the 2nd digit any of 5 ways: any of the five which 
you didn't choose for the 1st or 2nd digits.

Answer: 4󬝱 = 120 ways.


Edwin
RELATED QUESTIONS

How many three digit numbers can be formed from the digits 1,2,3,4,and 5, if each digit (answered by ewatrrr)
How many four-digit odd numbers can be formed from the digits 1, 2, 4, 5, 6, and 9 if... (answered by Edwin McCravy)
how many three-digit natural numbers greater than 330 can be formed from the digits... (answered by MathLover1)
How many four-digit numbers can be formed from the digits 0, 1,2,3,4,5,and 6 if each... (answered by greenestamps)
a. How many three digit-numbers can be formed from the digits 1,2,3,4,5 and 6 if each... (answered by stanbon)
How many numbers greater than 5000 can be formed from the digits 1, 2, 3, 4 & 5 using... (answered by tommyt3rd,Jahleellah)
How many three-digit numbers can be formed using elements from the set {1, 2, 3, 4, 5, 6} (answered by Edwin McCravy)
How many three digit even numbers less than 500 can be formed from the integers 1, 2, 3,... (answered by jim_thompson5910)
How many 4 - digit even numbers can be formed from the digits 0 to 9 if each digit is... (answered by ikleyn)