Question

which is the best estimate for the mass of a sofa? 3 kilograms 3 grams 65 kilograms 65 grams

Explanation:

Step1: Understand mass - units comparison

Grams are used for light - weight objects. Kilograms are for heavier objects.

Step2: Analyze each option

3 grams and 65 grams are too light for a sofa. 3 kilograms is also very light for a typical sofa. A sofa is a relatively heavy piece of furniture, and 65 kilograms is a more reasonable estimate.

Answer:

65 kilograms