If 0 is less than a and less than 1, what is the size relationship between a, the second power of a and 1 / 2 of a

It should be that the second power of a is less than a and less than 1 / A

X power of 5 × x power of 25 = 625

The x power of 5 × the x power of 25 = 625
X power of 5 × 2x power of 5 = 625
5 to the power of 3x = 625
3x=4
x=4/3

What number to the third power equals 512

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