Mathematics
Junior High
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請問這題答案對嗎？（第6題）
5 彗星撞地球的機率約為五百萬分之一,將此機率表示成
科學記號的結果為2x107
3000000
2
10000000
6. 若2.34567x1015乘開後是a位數,9.876x10乘開後,
=
小數點後第6位開始不為0,則a+b=2345660000x800
8
三、計算題:每題5分,共10分
1000張 44紙張的厚度為0.25公尺,請算出平均1
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