33: 21 ...........................................
Step-by-step explanation:
3, -12,7should be the correct answers
Answer: 
Step-by-step explanation:
We have several properties of exponents in use here. The two that are used are:
<em>(Exponents with the same base that are being multiplied together can have the exponents added)</em>
<em>(A base raised to a power, and then raised to another power means that you can multiply the exponents to get the same result as doing inside operations and then outside operations)</em>
<em />
Let's apply it!
First, let's simplify what's inside the parenthesis.
<em>(Remember, they have the same base of "x", so we can add the exponents)</em>
= 
= 
Now we have 
. Let's use the second rule.
=
Hope this helps! :^)
He has 30 and gets rid of 4 so 26 cookies then gets rid of 8 more, so then 18 cookies left.
The answer is B. The last too are both negative. So they are not true numbers.
