2.14  Scientific Notation

Basic Algebra: One Step at a TimePages 227 -234:   #19, 21, 22

Dr. Robert J. Rapalje

Seminole State College of Florida

Sanford, FL  32773

 

To see Section 2.14, with detailed explanations, examples, exercises, and answers, click here!

19.                       

Solution:  First convert numerator and denominator to scientific notation:

                            

Divide the numbers, and subtract the exponents:

                            

                           

                           

Final Answer:   

 

21.                           

Solution:  First convert numerator and denominator to scientific notation:

                            

Divide the numbers, and subtract the exponents:

                            

                           

                           

                           

This is NOT the final answer, since the number   is not between 1 and 10!

                           

Final Answer:   

 

22.                            

Solution:  First convert numerator and denominator to scientific notation:

                            

Divide the numbers, and subtract the exponents:

                            

                           

                           

                            

This is NOT the final answer, since the number is not between 1 and 10!

                           

Final Answer:    or 

 

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Dr. Robert J. Rapalje Altamonte Springs Campus
Contact me at:   rapaljer@seminolestate.edu
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