Find the volume of a cylinder correct to 1 decimal place if its radius is $6$6 cm and its height is $15$15 cm.

Find the volume of a cylinder correct to 1 decimal place if its diameter is $2$2 cm and its height is $19$19 cm.

If the radius of a cylinder is $8$8 cm and its height is $18$18 cm, find the amount of water it can hold in litres, correct to 2 decimal places.

Find the volume of a cylinder with radius $7$7 cm and height $15$15 cm, correct to 2 decimal places.