# Question #75cc2

##### 2 Answers

Apr 14, 2017

#### Explanation:

Apr 14, 2017

YOur working is correct until the very last step:

Multiply the numbers and add the indices of like bases.

Remember that the numbers and variables are independent of each other. You can think of it as:

There is a difference between

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An alternative method is:

Hope this helps to explain your problem.