To find x, we will first isolate x by dividing both sides by 3:
3x^-2 = 4/27
x^-2 = 4/81
Next, we will take the square root of both sides to solve for x:
x = ±√(4/81)
x = ±2/9
Therefore, x = 2/9 or x = -2/9.
3x^-2=4over27, find x
1 answer