Find the following values without a calculator.
Which is smaller?
- 1.9 cm or 0.19 m
- 4.6 ℓ or 460 mℓ
- 61 km or 6100 m
(a)
1 m = 100 cm
0.19 m = 0.19 x 100 = 19 cm
1.9 cm < 19 cm
1.9 cm < 0.19 m
(b)
1 ℓ = 1000 mℓ
4.6 ℓ = 4.6 x 1000 = 4600 mℓ
4600 mℓ > 460 mℓ
4.6 ℓ > 460 mℓ
(c)
1 km = 1000 m
61 km = 61 x 1000 = 61000 m
61000 m > 6100 m
61 km > 6100 m
Answer(s): (a) 1.9 cm; (b) 460 mℓ; (c) 6100 m