Cindy wants to send a card and a framed picture in a package.
Which is the best estimate for the mass of this package?
A.
450 grams
B.
450 kilograms
C.
4 grams
D.
40 kilograms
Which object would have a mass of approximately 1,000 grams?
A.
book
B.
feather
C.
truck
D.
elephant