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Dividing Numbers In Scientific Notation




 
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More Lessons for Arithmetic

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To divide numbers in scientific notation:

Step 1 : Group the numbers together.

Step 2 : Divide the numbers.

Step 3 : Use the law of indices to simplify the powers of 10.

Step 4 : Give the answer in scientific notation.

Example:

Evaluate , giving your answer in scientific notation.

Solution:

Text Box:     		(group the numbers)  = 2.3  		(divide the numbers)  = 		(law of indices: am  ¸  an =  am – n)  = 2.3  ´  10–1		(make sure answer is in scientific notation)

Example :

Evaluate 12.4 × 0.04, giving your answer in scientific notation.

Solution:




Videos

Five problems showing how to multiply and divide expressions written in scientfic notation.
More Scientific Notation Examples


 

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