Question
How many odd three -digit numbers can be formed if the tens digit must be 4 ?(Repetition of digits is allowed and zero cannot be the hundreds’ digit)
Answers
Scott
9 choices for hundreds , and 5 choices for ones
9 * 5 = ?
9 * 5 = ?
Delila
Why is there 9 choices for hundreds
Scott
there are ten digits , but zero is not allowed