a) 852g = 0.852 kg = 0.000852 t
b) 6.9t = 6,900 kg = 6,900,000 g
c)
[tex] \frac{1}{4} h[/tex]
=15 min = 900s
d)5400s =90 min= 1,5 h (o ora jumate)
e)3h40min = 220 min = 13200 s
f)0,0255 cm = 0.000255 m =0.255 mm
g) 8700 cm2 = 0.87 m2 = 0.0087 a = 8.7e-5 ha
h) 45 m2 = 4,500 dm2 =45,000,000 mm2
i) 32500 m3 = 3.25e10 cm3 = 32,500,000 dm
j)6,8 hm3 = 0.68 m3 = 680 dm3