Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 kg 5 g = _____ g
- 7 km 22 m = _____ m
- 54 ℓ 57 mℓ = _____ mℓ
- 8 m 5 cm = _____ cm
(a)
1 kg = 1000 g
3 kg 5 g
= 3 x 1000 + 5
= 3000 + 5
= 3005 g
(b)
1 km = 1000 m
7 km 22 m
= 7 x 1000 + 22
= 7000 + 22
= 7022 m
(c)
1 ℓ = 1000 mℓ
54 ℓ 57 mℓ
= 54 x 1000 + 57
= 54000 + 57
= 54057 mℓ
(d)
1 m = 100 cm
8 m 5 cm
= 8 x 100 + 5
= 800 + 5
= 805 cm
Answer(s): 3005, 7022, 54057, 805