Respuesta :

linman

Answer:

3000

5000

7000

Step-by-step explanation:

maddiecsteffie

Answer:

a is 3000

b is 5000

c is 7000

Step-by-step explanation:

just make each thousand rounds up or down. if the hundreds number is closer to the next thousand then round up and if the hundreds are closer to the past thousand then round down

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