Please note that you should attempt to work through these problems yourself first, before you look at the solutions. When you have completed the problem and are ready to compare your solution, click on the 'Show solution' link provided.

**Simplify the following using Exponent Laws 1 to 4 as required:**

a. 2^{3}2^{2}

b.

c.

d.

e. 10a^{2}b^{5}a^{6}b^{-5}