(-1)×(-1)×(-1)×(-1)×(-1)×(-1)×(-1)×(-1) (2020 times) is
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= (-1)×(-1)×(-1)×(-1)×(-1)×(-1)×(-1)×(-1) (2020 times)
= (-1)^8 × 2020
= 1 × 2020
= 2020
The answer is 2020
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(-1)×(-1)×(-1)×(-1)(2020 times)
The answer will be 1
Because (-)(-) = (+)
a negative even number × a negative even number will always results a positive number.
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