Find the following values without a calculator.
Which is larger?
- 4.9 cm or 0.49 m
- 4.1 ℓ or 410 mℓ
- 58 km or 5800 m
(a)
1 m = 100 cm
0.49 m = 0.49 x 100 = 49 cm
4.9 cm < 49 cm
4.9 cm < 0.49 m
(b)
1 ℓ = 1000 mℓ
4.1 ℓ = 4.1 x 1000 = 4100 mℓ
4100 mℓ > 410 mℓ
4.1 ℓ > 410 mℓ
(c)
1 km = 1000 m
58 km = 58 x 1000 = 58000 m
58000 m > 5800 m
58 km > 5800 m
Answer(s): (a) 0.49 m; (b) 4.1 ℓ; (c) 58 km