This is because exponents increase a number, for example <em>squaring a number is basically multiplying it by itself.</em> So . Now obiviously 4 is greater than 2. But lets make the numbers like this:
And again,
Now, which is bigger
A quarter is smaller than a half right?
So in this case we can see that fractions raised to an exponent get smaller while numbers raised to an exponent get bigger.