remember to show all of your work. 1. (a) Write the number in scientific notation: 5,960,000 (b) Write the number in standard notation, without exponents: 4.38 x 10-4 2) Simplify. Write the answer using positive exponents only. (9 x 3 y 8 )(4 x 5 y 2) 3) Simplify. Write the answer using positive exponents only. (2 x 4 y 2 )3 4) Simplify. Write the answer using positive exponents only. 8 x 5 y 7 x2 y Math 012 Quiz 3 5) Perform the indicated operations and simplify: (8x2 + 5x + 2) - (3x2 + 9x - 7) 6) Perform the indicated operations and simplify: (2x - 6y)(7x + 3y) 7) Perform the indicated operations and simplify: (2x - 4)(5x2 - 3x + 8) Page 2 Math 012 Quiz 3 Page 3 8) Factor completely. Show work following the method discussed in Sections 6.1 and 6.3 of our text, and show the check by re-multiplication of the factors. If the polynomial is not factorable, write \"prime.\" 3x2 - 9x - 84 9) Solve the equation by the method of factoring. Use the factoring technique discussed in Section 6.4 of our text, and solve following the methods discussed in Section 6.7. 2x2 - x - 3 = 0 10) Solve the equation by the method of factoring. Use the factoring technique discussed in Section 6.4 of our text, and solve following the methods discussed in Section 6.7. 3x2 - 2x - 8 = 0 Math 012 Quiz 3 Page 4 End of quiz: please remember to sign and date the statement in the box on the first page of the quiz