Question

4.87 × 10³ mol n₂o₅
express your answer using three significant figures.
4.87·10³ mol

Explanation:

Step1: Check significant figures

$4.87 \times 10^3$ has 3 significant figures.

Step2: Confirm meets requirement

No adjustment needed as it already has 3 sig figs.

Answer:

$4.87 \times 10^3$ mol