This week, I learnt the fractional exponents law. This law explains that if you have an exponent that is a fraction, you can change it into a radical.
To change a fractional exponent into a radical, you start with a number with an exponent like . When you are changing an fractional exponent into a radical, the denominator is the number that goes on the root. The number on the top becomes an exponent inside of the root. So, in this case,
would become
. This way, it is much easier to find the answer to the equation. The square root of 4 is 2. The new equation you should have is
which equals 16.