|
3 items are filed under this topic.
 |
|
|
|
|
|
|
|
|
Some 4 digit numbers |
2012-10-25 |
|
From samira:
How many 4-digit numbers are there in which the first and last digits are the same?
Answered by Penny Nom. |
|
|
|
|
|
|
Four-digit numbers |
2009-04-11 |
|
From jp:
How many four-digit numbers are there?
Answered by Penny Nom. |
|
|
|
|
|
|
4-digit numbers using 7, 8, 9 and 0 |
2000-09-13 |
|
From Ryan:
Could you please help me with the following problem, How many different 4-digit numbers are there that use each of the digits 7,8,9,and 0? Please list them.
Answered by Penny Nom. |
|
|
|
