|
||||||||||||
|
||||||||||||
| ||||||||||||
Hi Samira, First choose the digit which will be the first and last digit. You have 9 choices. They are 1, 2, 3, 4, 5, 6, 7, 8 and 9. You can now choose any two digits for the tens and hundreds digits. How many choices is that? Penny | ||||||||||||
|
||||||||||||
Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. |