Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 45 km = ______m
- 2 14 m = ____ cm
- 7 1120 kg = _____ g
- 4 28 ℓ = _____ mℓ
(a)
7
45 km = 7.8 km
1 km = 1000 m
7.8 km = 7.8 x 1000 = 7800 m
(b)
2
14 m = 2.25 m
1 m = 100 cm
2.25 m = 2.25 x 100 = 225 cm
(c)
7
1120 kg = 7.55 kg
1 kg = 1000 g
7.55 kg = 7.55 x 1000 = 7550 g
(d)
4
28 ℓ = 4.25 ℓ
1 ℓ = 1000 mℓ
4.25 ℓ = 4.25 x 1000 = 4250 mℓ
Answer(s): 7800, 225, 7550, 4250