1.

(-1) × even number of time

Answer»

ANSWER:

positive VALUE

Step-by-step explanation:

(-1) × (-1) == +1. ( two times).............(1)

(-1)×(-1)×-(1)×(-1) =. [ (-1)×(-1) ] × [ (-1 )×(-1) ]

= 1×1 = 1 ( four times)

therefore multiplying NEGATIVE EVEN times get a

positive value.



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