a)  sqrt(4) = 4^____


b)   2 ___
    \_/ 4   = _____            [index=2; radican exponent=1]


c)   3 ___
    \_/ 8   = _____            [index=3; radican exponent=1]


d)   3 _____
    \_/ 8^2  = 8^____          [index=3; radican exponent=2]


e)   3 _____
    \_/ 8^2   = _____          [index=2; radican exponent=2]


f)  cuberoot(27) = 27^(1/3) = _____


g)  256^(0.25) = ____


h)  16^(1/4) * 16^2 = _____


i)  a / 9^(-0.5) = ______