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​​Standard Form: Quiz 4 - Answers

1) 3 x 106

2) 2.52 x 109

3) 4 x 102

4) 4.5 x 105

5) 2.4 x 104

6) 3 x 1011

7) 2 x 103

8) 4.125 x 106

9) 3 x 106

10) 5 x 1011

11) 2.5 x 10-9

12) 2.784 x 104


Working
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Questions
​Do not use a calculator for the following calculations.

1) (5 x 103) x (6 x 102)

 

2) (4.2 x 103) x (6 x 105)

 

3) (8 x 105) ÷ (2 x 103)

 

4) (9 x 1012) ÷ (2 x 107)

 

5) (8 x 107) x (3 x 10-4)

 

6) (6 x 105) ÷ (2 x 10-6)

 

7) (6.5 x 106) ÷ (3.25 x 103)

 

8) (7.5 x 107) x (5.5 x 10-2)

 

9) (9.9 x102) ÷ (3.3 x 10-4)

 

10) (3 x 109) ÷ (6 x 10-3)

 

11) (2 x 10-12) ÷ (8 x 10-4)

 

12) (3.2 x 10-6) x (8.7 x 109)

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