What is the volume of a large rectangular block made up of 809 cubes of side 1 cm each ?
809 cm3
Since the side of each cube is 1 cm , it's volume = 1 cm3 .
Volume of 809 cubes=Volume of 1 cube × number of cubes= 1 × 809=809 cm3
So, volume of the large block = volume of 809 cubes =809 cm3