Engineering Board Exam Reviewer · Exponents, Radicals, and Exponential Equations · medium

If 2x=3 and 3y=4, find xy.

1. 1
2. 3
3. 6
4. 2

Answer

D. 2

Solution

x= 23 and y= 34. Then xy= 23· 34= 3/ 2· 4/ 3= 24=2.

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