Science Help Online Worksheet 2-5k Calculating with Scientific Notation
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Hit the print command and show all work in the spaces provided.   Leave your answers in proper scientific notation, and round your answers to the correct number of significant digits.

Rule for Multiplication - When you multiply numbers with scientific notation, multiply the coefficients together and add the exponents.  The base will remain 10.

Rule for Division - When dividing with scientific notation, divide the coefficients and subtract the exponents.  The base will remain 10.

1) (2.87 x 105) x (3.514 x 109)   2) (5.0 x 10 -2) x (7.85 x 104)
3) (1.042 x 10-1) x (4.002 x 10-5)    4) (2.21 x 10 5) x (1.807 x 10-7)
5) divide (1.92 x 10-2) by  (2.3 x 106)

 

 

 

 6) divide (9.4 x 10 2) by (1.24 x 10-5)
Answers  1) 1.01x1015           2) 3.9 x 103           3) 4.170 x 10-6           4) 3.99 x 10-2            5) 8.3 x 10-9            6) 7.6 x 107 

Please forward all questions, comments and criticisms to Gregory L. Curran.
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Last Modified May 22, 2004