Monday

July 28, 2014

July 28, 2014

Posted by **chantelle** on Sunday, April 29, 2012 at 6:30am.

- math -
**Reiny**, Sunday, April 29, 2012 at 10:46amsingle digit : 2 --->1

double digit:

12---->1

20, 21, ... 29,---> 10

32, 42, 52, 62, 72, 82, 92 ---> 7

triple digit

102 , 112, 121, 122 --->4

see if I missed any, then add them up

**Related Questions**

math - there are 122 houses,how many times does the digit 2 appear on the ...

5th grade math - How do you do letter equations? "Each letter in the equation ...

math 157 - How many three-symbol codes (letter, letter, number) can be made from...

Math - Emma has decided to sign up for a new e-mail account. The program ...

Math - Each letter in the subtraction problem below represents a different digit...

Mat 157 - How many three-symbol codes (letter-letter-number) can be made from ...

Math - There are 900 three-digit integers. The number of three-digit integers ...

math - There are 900 three-digit integers. The number of three-digit integers ...

6th grade - Each letter in each questio stands for a 1-digit number. in each ...

Math - A warranty identification number for a certain product consists of a ...