myTestBook.com Math Reading Science Practice Test for Grade 1, 2, 3, 4 & 5    
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Grade: 7,    Subject: Math,    Topic: Powers of Ten and Scientific Notation
Question 1:
Write in standard notation:

5.2 × 107

52,000,000,00052,000,000

520,00052,000
 
Question 2:
Which is the smallest number?

1.9 × 10−41.9 × 102

1.5 × 10−60.000022
 
Question 3:
4.37 can be rewritten in notational form as ________.

4.37 × 102 4.37 × 101

4.37 × 10−1 4.37 × 100
 
Question 4:
Write 1.7 × 10−4 in decimal notation.

0.000170.0017

0.0170.000017
 
Question 5:
2.0 × 102 can be rewritten as ________.

0.2 × 10220 × 103

0.2 × 10−30.2 × 103
 
Question 6:
Change 2.9 × 10−4 to standard notation.

0.000290.000209

0.00290.000029
 
Question 7:
Which of the following is equivalent to 4.5 x 105?

45,00045,000,000

450,0004,500
 
Question 8:
What would be the correct scientific notation for 0.033?

33 ×10−23.3 ×10−2

3.3 ×1023.3 ×10−3
 
Question 9:
Write 0.00213 x 10−5 in scientific notation.

21.3 ×10−32.13 ×10−2

2.13 ×10−152.13 ×10−8
 
Question 10:
Which of the following is equivalent to 1.25 × 10−1?

0.01250.125

12.50.00125
 
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