Chemistry · Some Basic Concepts of Chemistry
हिन्दीPerform the multiplication \( 2.5 \times 1.25 \) and round off the result to the correct number of significant figures.
Correct answer · Option 1
3.1
Explanation
Multiplication \( 2.5 \times 1.25 = 3.125 \). Since 2.5 has 2 significant figures, the result must be rounded to 2 sig figs, giving 3.1.