Assume , unless stated otherwise. 3. The diameter of a metallic ball is 4.2 cm . What…

MATHEMATICS · Subjective · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

Assume

\pi=\frac{22}{7}

, unless stated otherwise. 3. The diameter of a metallic ball is 4.2 cm . What is the mass of the ball, if the density of the metal is 8.9 g per

\mathrm{cm}^{3}