Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 kg 3 g = _____ g
- 8 km 55 m = _____ m
- 31 ℓ 10 mℓ = _____ mℓ
- 4 m 9 cm = _____ cm
(a)
1 kg = 1000 g
4 kg 3 g
= 4 x 1000 + 3
= 4000 + 3
= 4003 g
(b)
1 km = 1000 m
8 km 55 m
= 8 x 1000 + 55
= 8000 + 55
= 8055 m
(c)
1 ℓ = 1000 mℓ
31 ℓ 10 mℓ
= 31 x 1000 + 10
= 31000 + 10
= 31010 mℓ
(d)
1 m = 100 cm
4 m 9 cm
= 4 x 100 + 9
= 400 + 9
= 409 cm
Answer(s): 4003, 8055, 31010, 409