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Exam (elaborations)
Math Placement Exam Practice Problems Georgia State University (A+ Graded)
Part 1 
 
Simplify 
 
(2a^3b)^-3 correct answers (2^-3 * a^(3 *-3) * b^-3) 
 
2^-3 a^-9b^-3 
 
1/8a^9b^3 
 
Simplify 
 
(-4x^2y^-3)^-2 correct answers *y^6/16x^4* 
 
Simplify 
 
Radical 1/64 correct answers Radical 1/Radical 64 
 
1/8 
 
^3 Radical -27 correct answers *-3* 
 
Complex numbers: correct answers Complex numbers 
 
Find x and y such that the following is correct: 
 
 
 
 
3x + 5yi= 15 + 5i correct answers 3x + 5yc= 15 + 5c 
 
3x=15 and 5yc=5c 
 
*x=5 and y=1 * 
 
Find x and y ...