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Unit 1 Volume
Terminology and v examples
| Question | Answer |
|---|---|
| Volume of a cube | V = L x H x W |
| 10cm, 8cm, 2cm, | 10cm x 8cm x 2cm=160 cm^3 |
| 160cm^3=___dm^3 | 160 x (1dm / 10 cm)^3 = 0.16 dm^3 |
| 160cm^3=___m^3 | 160 x (1m /100cm)^3 = 0.00016 cm^3 or 1.6 x 10^-4 m^2 |
| 160cm^2=___in^3 1in=2.54 cm | 160 x (1in / 2.54cm)^3 =9.76 in^3 |
| Volume of a cylinder | V = pi x radius^2 x length |
| A cylinder has a diameter of 6 dm and a length of 5 dm, calculate the volume in dm³. | pi x 3^2dm x 5dm = 141.3 dm^3 |
| What two things not to forget? | Sig figs and units |