Today I was doing exponents.

These are their properties:

xa · xb = xa+b – Multiplying Powers

(xa)b = xab – Raising a Power to a Power

x-n =1/xn – Negative Exponents

Examples:

x3 · x7 = x3+7 = x10

(x52)2 = (x52)2 = x104

x-4 = 1/x4

32 · 33 = 35 = 243

(23)2 = 26 = 64

4-2 = 1/42 = 1/16