Find the following values without a calculator.
Which is smaller?
- 4.8 cm or 0.48 m
- 1.4 ℓ or 140 mℓ
- 37 km or 3700 m
(a)
1 m = 100 cm
0.48 m = 0.48 x 100 = 48 cm
4.8 cm < 48 cm
4.8 cm < 0.48 m
(b)
1 ℓ = 1000 mℓ
1.4 ℓ = 1.4 x 1000 = 1400 mℓ
1400 mℓ > 140 mℓ
1.4 ℓ > 140 mℓ
(c)
1 km = 1000 m
37 km = 37 x 1000 = 37000 m
37000 m > 3700 m
37 km > 3700 m
Answer(s): (a) 4.8 cm; (b) 140 mℓ; (c) 3700 m