(5 TO THE POWER OF 4/5 TIMES 5 TO THE POWER OF 4/5) n this whole to the pwer of -10

Cube root of 2 divided by cube root 54

x to the power of 1/3 times x to the pwer of 1/4

square root of 64(x to the poer of 12)

(7 to the power of 3/4) to the power of -2/9

square root of x + 72 = x

(3x-8) to the power of 1/2 = 5

3x to the power of 3/4 = 192

square rooot of x square + 5 = (3-x)

I really need help with these... thanx a lot.. :)

Why don't you start by rewriting all the problems with mathematical symbols instead of words. Then ask specific questions or show your work and we can try to check your results.