A ball has a volume of 7 cubic inches (in3). Use the fact that 1 inch is equal to 2.54 cm to convert this volume to cubic centimeters (cm3). Round your answer to the nearest whole number.
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GIVEN:
Volume of ball = 7 in^3
1 inch = 2.54 cm
TO FIND:
Volume in cubic centimetres
SOLUTION:
- Cubic inches and cubic centimetres are two units for volume.
- We have been given 1 inch = 2.54 cm
- But these are linear measurements, which needs to converted to cubic measurements.
- ( 1 inch ) ^ 3 = (2.54 cm)^3
- 1 inch^3 = 16.387 cm^3
Volume of the ball in cubic centimetres =
7 × 16.387 = 114.70 cm^3
Thus, the rounded of volume = 115 cm^3
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