Mathematics
Junior High
14題求解！🙏
(C)14. 已知光行進的速度約為每秒30萬公里,而高鐵的平
均時速為300公里,則平均每小時光行進的距離為高
鐵的多少倍?(以科學記號表示)
(A)3.6×10°
(B)9×10°
(B)
(C)3.6×107
(D)9×107確體,上
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