Question

the mass of a box measured by a grocer balance is to. 300 kg to gold pieces of masses 20.15 gram and 20.17 gram are added to the box what is a the total mass of the box be the difference in the mass of the places to get significance

Answer 1

$\huge\mathfrak{Answer:-}$

⭕ A. As per addition rule, least number of significant figure in mass of box is 2. So the maximum number of significant figure will also be 2.

• Total mass of the box = 2.3 kg

⭕ B. Least number of significant figure in mass of piece is 2. So the maximum number of significant figure in answer also be 2.

• Diffrence in masses of pieces =0.02 g