1. Simplify the following expression ?(-6)?(-42) 2. Simplify following expression in terms of i ?(-72) 3.Simplify the following quotient of complex numbers into the form a + bi -7+6i/9+6i 4. Simplify the following product of complex numbers. (-1+3i)*(-9-7i) 5. Subtract the complex expressions, and simplify. (-0.6 + 3.7i) – (6.2 + 7.9i) 6. Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places. (2.6 • 102) • (7.3 • 103) 7. Convert to scientific notation: 0.00064 8. Simplify the following expression, and rewrite it in an equivalent form with positive exponents. -44x^-3/176 x^3y^4 9. Short Answer: Raise the quantity in parentheses to the indicated exponent, and simplify the resulting expression. Express answers with positive exponents. (28xy^3/140x^3y^-2)^2 10. Short Answer: Raise the quantity in parentheses to the indicated exponent, and simplify the resulting expression. Express answers with positive exponents. (-39x^-2y/156x^3y^-3)^3

Subject | Mathematics |

Due By (Pacific Time) | 08/11/2012 07:00 pm |

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