Question

How is adding 4.56 +2.31 similar to adding $4.56 + $2.31 ?

Answer 1

Adding 4.56 + 2.31 is similar to adding $4.56 + $2.31, because you are basically adding the same numbers. The only difference is that one only represents numbers, while the other represents a value, in dollars.

4.56 + 2.31 = 6.87

$4.56 + $2.31 = $6.87

hope this helps