Find the following values without a calculator.
Which is smaller?
- 3.6 cm or 0.36 m
- 4.6 ℓ or 460 mℓ
- 83 km or 8300 m
(a)
1 m = 100 cm
0.36 m = 0.36 x 100 = 36 cm
3.6 cm < 36 cm
3.6 cm < 0.36 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
83 km = 83 x 1000 = 83000 m
83000 m > 8300 m
83 km > 8300 m
Answer(s): (a) 3.6 cm; (b) 460 mℓ; (c) 8300 m