Posted by **Happy Face** on Thursday, June 4, 2009 at 9:21pm.

A three digit number is created using the digits 4, 5, and 6. Each digit may only be used once. What is the probability that the three digit number will be less than 550?

Please Help!!

Thank You!!

- Math -
**Reiny**, Thursday, June 4, 2009 at 9:30pm
since there are only 6 possibilities, lets list them

456, 465, 546, 564, 645, 654

how many of these are less than 550 ?

so ....

## Answer this Question

## Related Questions

math - The number uses every number 0-9 the numbers are used only once the ...

math - 8th grade - use the numbers one to nine, each one only once. now multiply...

math - ann wrote a three digit number. the digit inthe hendreds place is 4 less ...

Math - Algebra - What is the linear equation that will represent the second ...

Math - What is the three digit mystery number? Clues: It is less than 300, the ...

math - using digits 1-9 only once, multiply a 3 digit by a 2 digit number and ...

math - *The number has 8 digits, none of the digits are the same. *It is evenly ...

algebra - what three digit number is less than 300 and the ones digit is 4 times...

math - This is an SAT question of the day that I can't understand. The sum of ...

4th grade math - it is a three digit whose ten digit is 3 its hundred digit is 4...