Find the following values without a calculator.
Which is smaller?
- 1.3 cm or 0.13 m
- 1.4 ℓ or 140 mℓ
- 66 km or 6600 m
(a)
1 m = 100 cm
0.13 m = 0.13 x 100 = 13 cm
1.3 cm < 13 cm
1.3 cm < 0.13 m
(b)
1 ℓ = 1000 mℓ
1.4 ℓ = 1.4 x 1000 = 1400 mℓ
1400 mℓ > 140 mℓ
1.4 ℓ > 140 mℓ
(c)
1 km = 1000 m
66 km = 66 x 1000 = 66000 m
66000 m > 6600 m
66 km > 6600 m
Answer(s): (a) 1.3 cm; (b) 140 mℓ; (c) 6600 m