1
What is the sign of the product of this multiplication: "-5×3×8×(-5)×(-6)"?
2
And this one: "-3×5×(-4)×(-5)×(-6)" ?
3
The square of a relative (non-zero) number is always positive:
4
What is the product of 5×(-3)?
5
If a is a relative number (non-zero), -a is necessarily negative:
8
Two numbers are said to be inverses when their product is equal to ...
10
For a=-2, calculate -a×0.125×(-4)÷10 a.
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