Question

5. The science class is raising monarch caterpillars.

One of the caterpillars weighs 2.3 ounces.
About how many grams does the caterpillar
weigh? Round to the nearest tenth.

Answer 1

65.2 g

Explanation:

1 ounce is approximately 28.35 grams. So, 2.3 ounces is ...

(2.3 oz) × (28.35 g/oz) ≈ 65.2 g

The caterpillar weighs approximately 65.2 grams.

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Additional comment

The exact conversion is 1 oz = 28.349523125 g. For a 3-significant figure answer, we only need a conversion factor accurate to 4 significant figures.