13 tens is the same as 13 x 10 which equals 130.
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Because when there is one ten you have to put it in the other place value
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
What number has 13 tens + 4 ones?
65/100 or 13/20
190 + 130 = 320