Posted by CC on Monday, December 5, 2011 at 11:22am.
set everything as powers of 3:
(3^2)^x = 3^(-3)
3^2x = 3^(-3)
since powers equal (or, take log base 3 of both sides),
2x = -3
x = -3/2
check:
9^(-3/2) = 1/9^(3/2) = 1/3^3
Related Questions
algebra - 102 litre+0.01 m^3=? 102 liters is 102 * 10^-6 m^3 still confused x2+...
chemistry please help - The FM band of radio waves are measured in megahertz (...
algebra am i right - Find the volume of a right circular cylinder whose base has...
Physics - A 1.0 102 g piece of copper at a temperature of 460 K and a 2.0 102 g ...
Please help with steps: Geometry - Two mountain bikers have been separated and ...
Math(Can someone please answer!!) - ln [2.30E-2] = ln(0.102) - (k s-1)(2360 s) k...
Math - What is the cardinal number for the follwing sets? 1). 101,102,103,104...
Math - What is the cardinal number for the following sets? A) 101,102,103,104...
Algebra - solve for x: -3(x^2+2)=102
Chemistry - If a system has 2.50 × 102 kcal of work done to it, and ...
For Further Reading
