Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 2 g = _____ g
- 9 km 97 m = _____ m
- 43 ℓ 80 mℓ = _____ mℓ
- 2 m 8 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 2 g
= 2 x 1000 + 2
= 2000 + 2
= 2002 g
(b)
1 km = 1000 m
9 km 97 m
= 9 x 1000 + 97
= 9000 + 97
= 9097 m
(c)
1 ℓ = 1000 mℓ
43 ℓ 80 mℓ
= 43 x 1000 + 80
= 43000 + 80
= 43080 mℓ
(d)
1 m = 100 cm
2 m 8 cm
= 2 x 100 + 8
= 200 + 8
= 208 cm
Answer(s): 2002, 9097, 43080, 208