Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 kg 2 g = _____ g
- 7 km 10 m = _____ m
- 74 ℓ 48 mℓ = _____ mℓ
- 1 m 4 cm = _____ cm
(a)
1 kg = 1000 g
3 kg 2 g
= 3 x 1000 + 2
= 3000 + 2
= 3002 g
(b)
1 km = 1000 m
7 km 10 m
= 7 x 1000 + 10
= 7000 + 10
= 7010 m
(c)
1 ℓ = 1000 mℓ
74 ℓ 48 mℓ
= 74 x 1000 + 48
= 74000 + 48
= 74048 mℓ
(d)
1 m = 100 cm
1 m 4 cm
= 1 x 100 + 4
= 100 + 4
= 104 cm
Answer(s): 3002, 7010, 74048, 104