SOLUTION: Need assistance on how to begin to simplyify by factoring the following problem. √(245k^7q^8 )

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Question 331472: Need assistance on how to begin to simplyify by factoring the following problem.
√(245k^7q^8 )
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28245k%5E7q%5E8%29
Factor inside the radical to reveal perfect squares
sqrt%2849%2A5%2Ak%5E2%2Ak%5E2%2Ak%5E2%2Ak%2Aq%5E2%2Aq%5E2%2Aq%5E2%2Aq%5E2%29
Extract the square root of each perfect square
7%2Ak%2Ak%2Ak%2Aq%2Aq%2Aq%2Aq%2Asqrt%285k%29
which is
7k%5E3%2Aq%5E4%2Asqrt%285k%29