SOLUTION: Find the following 
^18sqrt(-7)^18 (this is a power over the beginning of the sqrt symbol.)
simplify 
please help me i am lost, especially with the -7
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Question 387453:  Find the following 
^18sqrt(-7)^18 (this is a power over the beginning of the sqrt symbol.)
simplify 
please help me i am lost, especially with the -7
 
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
 Use the fact that 
So in this case, n=18 and x=-7, which means that 
So 
 
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