How many significant figures are present in the result of (0.0456 × 273.15)/0.0821?
0.0456 (3 sig figs), 273.15 (5 sig figs), 0.0821 (3 sig figs). Result ≈ 151.63; limited to 3 sig figs (152).
Ref: NCERT Class 11 Chemistry > Chapter 1: Some Basic Concepts of Chemistry > Topic: Dalton's Atomic Theory and Atomic and Molecular Masses