Find the following values without a calculator.
Which is smaller?
- 2.7 cm or 0.27 m
- 3.1 ℓ or 310 mℓ
- 63 km or 6300 m
(a)
1 m = 100 cm
0.27 m = 0.27 x 100 = 27 cm
2.7 cm < 27 cm
2.7 cm < 0.27 m
(b)
1 ℓ = 1000 mℓ
3.1 ℓ = 3.1 x 1000 = 3100 mℓ
3100 mℓ > 310 mℓ
3.1 ℓ > 310 mℓ
(c)
1 km = 1000 m
63 km = 63 x 1000 = 63000 m
63000 m > 6300 m
63 km > 6300 m
Answer(s): (a) 2.7 cm; (b) 310 mℓ; (c) 6300 m