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
13 tens=130, 13 ones=13. 130+13=143
632
6 ones and 5 tens
Write 87 tens and 2 ones as a base ten number.
2 tens and 13 ones add up to 33 because 10 +10 +13 = 33.
13 tens=130, 13 ones=13. 130+13=143
The answer is 63. This is because 5 tens = 50 and 13 ones is 13. Then, add 50 and 13, and you get 63.
632
6 ones and 5 tens
Write 87 tens and 2 ones as a base ten number.
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.
Thirty three
2 tens and 13 ones add up to 33 because 10 +10 +13 = 33.
3 tens and 16 ones = 463 tens = 3016 ones = 1630 + 16 = 46
427 = 42 tens, plus 7 ones
205,645 I think.
41