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0916科學記號

Authored by 聽雨停 聽雨停

Mathematics

7th Grade

Used 6+ times

0916科學記號
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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。

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4.

DRAW QUESTION

1 min • Ungraded

3.14159 × 103 的整數部分是幾位數?

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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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