How many odd five-digit counting numbers can be formed by choosing digits from the set $\{1, 2, 3, 4, 5, 6, 7\}$ if digits can be repeated?

helpppp Mar 28, 2020

#1**0 **

The place values can be **anything, anything, odd**

**7*7*4=196 odd-five digit numbers.**

tertre Mar 28, 2020