Question 1

Simplify the following:

Select and check your answer...

Check Answer

Step 1

Notice the negative exponent? Now, it is better to change it into positive exponent using the exponent law as shown on the right.

This term now becomes:

This term now becomes:

Step 2

Now, let's apply the fractional exponent formula that we have just learned earlier on.

Hence, this term becomes:

Hence, this term becomes:

Step 3

Next, **cube root of 27** is 3.
(i.e. 27 = 3 x 3 x 3)

Hence, this term becomes:

Hence, this term becomes:

Step 4

Now, (3)^{2} = 3 x 3 = 9.
Therefore, we get:

Clearly, the answer is B.

Clearly, the answer is B.

To close all the steps, reload the
fractional exponents practice question page