古詩詞大全網 - 古詩大全 - 70億=(  ) A.7000000000 B.700000000000 C.7000000

70億=(  ) A.7000000000 B.700000000000 C.7000000

A,7000000000=70億;

B,700000000000=7000億;

C,70000000=0.7億;

故選:A.