Will give brainlist and pls see the file

7. 51,000

8.$24,000

9. 120

Step-by-step explanation:

7. 51,487 is less than 51,500 because of this, you round it down to 51,000

8. $23,556 is greater than $23,500 so you round it up to $24,000

9.you would round 33 down to 30, and 89 up to 90, add those and get 120

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step-by-step explanation:

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )