Do u know number don’t know what it is but it’s not a

B.

Step-by-step explanation:

What you want to do, is 65,470.5 - 3,219.2.

65,470.5

-  3,219.2

(Go from right to left)

1. 5-2=3

2. 0-9 isn't possible in this case, so borrrow 1 form 7. 7 becomes 6, and 10-9=1.

3. 6-1=5

4. 4-2=2

5. 5-3=2

6. 6-0=6

7. Carry down the comma and the decimal. You then get: 62,251.3, which is B.

The Order of Operations is just an agreement that allows us all to do a problem the same way so we get the same answer. Without the Order of Operations, one person might simplify 3 + 4 x 5 as 35 by adding first.
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