Find the following values without a calculator.
Which is smaller?
- 4.4 cm or 0.44 m
- 2.6 ℓ or 260 mℓ
- 49 km or 4900 m
(a)
1 m = 100 cm
0.44 m = 0.44 x 100 = 44 cm
4.4 cm < 44 cm
4.4 cm < 0.44 m
(b)
1 ℓ = 1000 mℓ
2.6 ℓ = 2.6 x 1000 = 2600 mℓ
2600 mℓ > 260 mℓ
2.6 ℓ > 260 mℓ
(c)
1 km = 1000 m
49 km = 49 x 1000 = 49000 m
49000 m > 4900 m
49 km > 4900 m
Answer(s): (a) 4.4 cm; (b) 260 mℓ; (c) 4900 m