A bucket holds 10 litres of water. How many buckets of water will fill a reservoir of size 8m x 7m x 5m.(1 litre = 1000cm3)`
Answer Details
The volume of the reservoir can be found by multiplying its dimensions:
8m x 7m x 5m = 280 m^3
Since 1 liter is equal to 1000 cubic centimeters (cm^3), 1 cubic meter is equal to 1,000,000 cubic centimeters. Therefore, the reservoir has a volume of:
280 m^3 x 1,000,000 cm^3/m^3 = 280,000,000 cm^3
Each bucket can hold 10 liters of water or 10,000 cubic centimeters (cm^3) of water since 1 liter is equal to 1000 cm^3. Therefore, the number of buckets needed to fill the reservoir is:
280,000,000 cm^3 ÷ 10,000 cm^3/bucket = 28,000 buckets
Therefore, the answer is 28,000.