How many 2 digit numbers that do not contain the digit 2 are there? Pick
A) 72 B) 68 C) 84 D) 96 E) 124
Applying combinations....8 * 9 = 72...   8 for first digit...cant be 0 or 2   9 for 2nd ....cant be 2   72NSWER: 72
<result>A</result>
How many 2 digit numbers that do not contain the digit 2 are there?