Question

which is the best estimate for the mass of a crayon? 8 kilograms 84 grams 8 grams 84 kilograms

Explanation:

Step1: Consider real - life size

A crayon is a small object. Kilograms are used for much heavier objects. 8 kilograms and 84 kilograms are far too heavy for a crayon.

Step2: Compare gram values

84 grams is relatively heavy for a small crayon. A typical crayon is light, and 8 grams is a more reasonable estimate.

Answer:

8 grams