Simplifying Expressions
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1) Simplify (7x^3y^2 + 4x^2y^2 - 5xy^2) - (2x^3y^2 - 3x^2y^2 + 3xy^2)
2) Simplify (6^-2x^3y^-4)2 divided by 2^-4x^3y^-4
3) Simplify (4u -5v)^2
4) Simplify 2 X 10^7 divided by 5 X 10^-2 and how do you write in Scientific notation?
5) Evaluate:
a) SR (8/81)
b) -(25)^(-3/2).
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Solution Summary
Expressions are simplified and evaluated in the solution.
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1) Simplify (7x^3y^2 + 4x^2y^2 - 5xy^2) - (2x^3y^2 - 3x^2y^2 + 3xy^2)
Solution
7x^3y^2 + 4x^2y^2 - 5xy^2 - 2x^3 y^2 + 3 x^2 y^2 - 3 xy^2 [Distributed the negative sign]
= 5x^3 y^2 +7x^2 y^2 - 8xy^2 [Simplified the like terms]
2) Simplify (6^-2x^3y^-4)^2 divided by 2^-4x^3y^-4 ...
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