Question

ezra's stuffed animal has a mass of 300 grams. how many milligrams is the stuffed animal

Answer 1

Since 1 gram has 1000 miligrams, that would mean that Ezra's stuffed animal has a mass of 300 000 miligrams. 

Answer 2

1 g ----------- 1000 mg
300 g ------- ( milligrams )

miligrams = 300 x 1000 / 1

miligrams = 300000 / 1

= 300000 mg

hope this helps!