## Algebra: A Combined Approach (4th Edition)

Any number divided by itself gives one and so when powering a number by zero, it will give one because it is the same as multiplying both the normal and the inverse of two powers. eg) $6^{2} \times 6^{-2}$ is the same as $36 \times \frac{1}{36}$ which equates to 1 therefore, anything to the power of 0 is 1