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Exp3 Scientific Notation going out of
Contribuição de: Cason

38,800

3,880

To change a number in scientific notation to standard

form, reverse the process.  Move the decimal to make

 is larger if the exponent is positive.  Move the decimal

to make it smaller if the exponent is negative. 

Remember a negative exponent is a faction/decimal.

 

3.88 x 102 becomes 388 because the decimal moved

two places to make it a larger number.

 

3.88 x 101 becomes...

388

38.8

38,800

3,880

Answer for #1 

3.88 x 101 becomes... 38.8 because the decimal moved

only one place larger (positive exponent).

 

 

 

 

 

 

2)  3.88 x 104  becomes...

388

38.8

289,000,000

289,000

Answer for #2 

3.88 x 104 becomes... 38,800 because the decimal

moved four places larger (positive exponent).

 

 

 



 

3)  2.89 x 106

2,890,000

28,900,000

2.89 x 108

289,000,000

289,000

2,890,000

28,900,000

289,000,000

289,000

2.89 x 106

2,890,000

28,900,000

289,000,000

289,000

2.89 x 105

2,890,000

28,900,000

0.00289

2890

2.89 x 10-3

0.289

0.0289

0.00289

2890

2.89 x 10-1

0.289

0.0289

0.00289

2890

2.89 x 10-2

0.289

0.0289

0.00289

2890

2.89 x 103

0.289

0.0289

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