The slipper weighs 6000 mg
Explanation:Since the scale is balanced, the weight of the ballet slipper will also be 6g
Weight of the ballet slipper = 6 g
1 gram = 1000 mg
Weight of the ballet slipper = 6 x 1000 mg
Weight of the ballet slipper = 6000 mg
The slipper weighs 6000 mg