Physics · UNITS AND MEASUREMENT
हिन्दीWhen subtracting \( 7.06\text{ g} \) from \( 12.9\text{ g} \), the correct result reported with proper significant figures/decimal places is:
Correct answer · Option 2
\( 5.8\text{ g} \)
Explanation
In addition or subtraction, the result should retain as many decimal places as are present in the number with the least decimal places (\( 12.9 \) has 1 decimal place). Hence, \( 5.84 \) rounds off to \( 5.8\text{ g} \).