Answer :
I believe the answer is 13. 13 is greater than 6 and less than 20. Plus it has 3 ones or a three in the ones place. I know the 3 is in the ones place because it goes
Hundreds, tens, ones. Tenths, hundreths, thousandths
The three is in the ones place and the 1 is in the tenths place.
Hundreds, tens, ones. Tenths, hundreths, thousandths
The three is in the ones place and the 1 is in the tenths place.