Factorisation

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AlgebraQuiz3.docx

Please remember to show all of your work.

1) Answer each of the questions below

a) Write the number in scientific notation: 214,389,200

b) Write the number in scientific notation: 0.0004251

c) Write the number in standard notation, without exponents:

d) Write the number in standard notation, without exponents:

e) Perform the indicated operations and write the answer in scientific notation:

2) Factor the greatest common factor (GCF) out of the expression below. Show the check by re-multiplication of the factors.

3) Factor by the method of grouping. Show the check by re-multiplication of the factors.

4) Factor by the method of grouping. Show the check by re-multiplication of the factors.

5) Factor completely. Show work, and show the check by re-multiplication of the factors. If the polynomial is not factorable, write “prime.”