(-1)*(-1)*(-1)*(-1)
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Step-by-step explanation:
the answer will 1 OK friend
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Answer:
(-1)×(-1)×(-1)×(-1) = 1
Reason
(-1)×(-1)×(-1)×(-1).........(even number of times) =1
(-1)×(-1)×(-1)×(-1)..........(odd number of times ) = -1
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