A board has a mass of 750 g. If you ground the whole board down to sawdust what would be the mass of the pile of sawdust?

A.much less that 750g

B.a little less than 750g
C.exactly 750g
Or D.more that 750g

What would change in its mass if you ground up the board?

Yea

I don't really know

Can you do like take 2 things out

Your problem doesn't state that anything has been taken out.

If a butcher grinds up a pound of beef, how much will the ground beef weigh?

12 ounces

Is the answer 750000 which is d more than

Did grinding add or subtract anything from the mass of the board?

Add

What was added?