T
True. The product of 21 negative numbers will be negative.
False
False - if the sentence is meant to be exhaustive. Integers can be positive or negative OR ZERO.
False
T
It is true.
True. The product of 21 negative numbers will be negative.
That is false.
zero= false, non-zero=true
true
False
Is false. If ' n ' is negative, then ' -n ' is positive.
zero= false, non-zero=true
True
False - if the sentence is meant to be exhaustive. Integers can be positive or negative OR ZERO.
False