Question

How many balls, each of radius 3 cm, can be made froma solid sphere of lead of redius 27?​

Answer 1

Answer:

729 balls

Step-by-step explanation:

let n be the no. of balls that can be made

now n x volume of small ball = volume of big sphere

n × 4pi/ 3 r³ = 4pi/ 3 R³

n = R³/ r³ = 27³/ 3³ = 729