Find the following values without a calculator.
Which is larger?
- 1.4 cm or 0.14 m
- 4.9 ℓ or 490 mℓ
- 63 km or 6300 m
(a)
1 m = 100 cm
0.14 m = 0.14 x 100 = 14 cm
1.4 cm < 14 cm
1.4 cm < 0.14 m
(b)
1 ℓ = 1000 mℓ
4.9 ℓ = 4.9 x 1000 = 4900 mℓ
4900 mℓ > 490 mℓ
4.9 ℓ > 490 mℓ
(c)
1 km = 1000 m
63 km = 63 x 1000 = 63000 m
63000 m > 6300 m
63 km > 6300 m
Answer(s): (a) 0.14 m; (b) 4.9 ℓ; (c) 63 km