530278 décim. =(500000+30000+200+ 70+8) décim. =5 myriam. 3 kilom. 2 décam. 7 m. 8 décim. (101010100) millim.= (100000000+1000000+10000+100)millim. =10 myriam. 1 kilom. 1 décam. 1 décim.

(12) 1000000000 centim. = (1000000000÷100000) kilom.

=10000 kilom.

1000000000 centim. = (1000000000÷100) m.

=10000000 m.

(13) DE length of village. A

D CE

B

Then AD-AB-BD

=649440 in. - 522720 in. =126720 in.

And DE AE-AD

=2 m. 440 yds. - 126720 in. 142560 in. - 126720 in. =15840 in. = 440 yds. of a mile.