0916科學記號
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
聽雨停 聽雨停
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
1053.2 的科學記號如何表示
1.0532 ×103
1.0532 ×102
1.0532 ×104
105.32 ×10
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
2140000 的科學記號如何表示
21.4 ×105
214 ×104
2.14 ×106
0.214 ×107
3.
DRAW QUESTION
1 min • Ungraded
10.2 × 104化成整數形式是 _________ ,它是 _____ 位數。
4.
DRAW QUESTION
1 min • Ungraded
3.14159 × 103 的整數部分是幾位數?
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
0.00254 的科學記號表示為
2.54 × 10-2
2.54 × 10-4
2.54 × 10-3
25.4 × 10-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
0.0000139的科學記號表示為
1.39 ×10-4
1.39 ×10-5
1.39 ×10-6
139 ×10-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
2.71 × 10-5 化成小數形式,在小數點後第 ? 位數開始出現不是 0的數字。
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6
4
5
8.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
30.5 × 10–4 化成小數形式,在小數點後第 ? 位數開始出現不是 0 的數字。
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