SOLUTION: i need help with a question on math! it is talking about negetives and exponents -15 (-15) (-15) (-15)

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Question 49956: i need help with a question on math! it is talking about negetives and exponents -15 (-15) (-15) (-15)
Answer by Earlsdon(6103) About Me  (Show Source):
You can put this solution on YOUR website!
-15%28-15%29%28-15%29%28-15%29+=+%28-15%29%5E4 = 50,625
Notice the answer is a positive number. This is because when you multiply two (or four or six or...any even number of) numbers with the same sign (both/all positive or both/all negative) the answer will be positive.