Find the following values without a calculator.
Which is smaller?
- 2.8 cm or 0.28 m
- 2.4 ℓ or 240 mℓ
- 96 km or 9600 m
(a)
1 m = 100 cm
0.28 m = 0.28 x 100 = 28 cm
2.8 cm < 28 cm
2.8 cm < 0.28 m
(b)
1 ℓ = 1000 mℓ
2.4 ℓ = 2.4 x 1000 = 2400 mℓ
2400 mℓ > 240 mℓ
2.4 ℓ > 240 mℓ
(c)
1 km = 1000 m
96 km = 96 x 1000 = 96000 m
96000 m > 9600 m
96 km > 9600 m
Answer(s): (a) 2.8 cm; (b) 240 mℓ; (c) 9600 m