6.
0.005[tex]m^{2}[/tex]=0.5[tex]dm^{2}[/tex]=50[tex]cm^{2}[/tex]
0.003[tex]dam^{2}[/tex]=0.3[tex]m^{2}[/tex]=30[tex]dm^{2}[/tex]=3000[tex]cm^{2}[/tex]
7.
0.36[tex]dm^{2} =36cm^{2} =3600mm^{2}[/tex]
130075[tex]cm^{2} =13007500mm^{2}[/tex]
8.
26.5[tex]dam^{2} =[/tex]2650[tex]m^{2}[/tex]
32658[tex]dm^{2}[/tex]=325.58[tex]m^{2}[/tex]
15625[tex]cm^{2} =156.25dm^{2} =1.5625m^{2}[/tex]
9.
1426ari=1426[tex]dam^{2}[/tex]=14.26[tex]hm^{2}[/tex]=14.26ha
850000[tex]m^{2}[/tex]=8500[tex]dam^{2}[/tex]=85[tex]hm^{2}[/tex]=85ha
10.
14008.2[tex]m^{2}[/tex]=1400820[tex]dm^{2}[/tex]=140.082[tex]dam^{2}[/tex]=1.40082[tex]hm^{2}[/tex]=140082ha
11.
281.004[tex]dam^{2}[/tex]=[tex]28100.4m^{2} =[/tex]2810040[tex]dm^{2}[/tex]=281004000[tex]cm^{2}[/tex]=281.004ari
12.
[tex]l=m_{a} =\frac{45+75}{2} =\frac{120}{2} =60cm[/tex]
a)
[tex]P=4l=4*60=240[/tex]
b)
[tex]A=l^{2} =60^{2} =3600[/tex]
