a car petrol tank in 0.8m long 25cm wide and 20cm deep.how many litres of petrol can it hold?
0.8 m = 80 cm
V = 80 ∙ 25 ∙ 20 = 40 000 cm³
1 L = 1 000 cm³
40 000 cm³ = 40 L
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To find the volume of the petrol tank, we need to multiply the length, width, and depth of the tank.
First, let's convert the measurements into meters, as it will be easier to work with.
Length = 0.8m
Width = 25cm = 0.25m
Depth = 20cm = 0.20m
To find the volume, we use the formula:
Volume = Length x Width x Depth
Plugging in the values:
Volume = 0.8m x 0.25m x 0.20m
= 0.04 cubic meters
Now we need to convert cubic meters into liters. 1 cubic meter is equal to 1000 liters.
So, to convert the volume from cubic meters to liters:
Volume in liters = Volume in cubic meters x 1000
= 0.04 x 1000
= 40 liters
Therefore, the petrol tank can hold 40 liters of petrol.