Because when there is one ten you have to put it in the other place value
632
you write it like this:13.0 because even though there's a number in the ones spot since there is a number in the tens spot it makes it 13 tens
13789
13 tens=130, 13 ones=13. 130+13=143
2 tens and 13 ones add up to 33 because 10 +10 +13 = 33.
434.
632
The number you mentioned, 13 hundreds, 6 tens, 3 ones, 5 tenths, and 5 hundredths, can be written as 1,363.55.
5,033
you write it like this:13.0 because even though there's a number in the ones spot since there is a number in the tens spot it makes it 13 tens
13789
The answer is 63. This is because 5 tens = 50 and 13 ones is 13. Then, add 50 and 13, and you get 63.
511454133
13 tens=130, 13 ones=13. 130+13=143
205,645 I think.
You can't subtract 15 ones from 15 tens. The bills are all tens, so you'd have to get change first. Then you'd be subtracting 15 ones from 13 tens and 20 ones, or from 13 tens, one 5, and 15 ones.
2 tens and 13 ones add up to 33 because 10 +10 +13 = 33.