SOLUTION: Let s and t be real numbers.
When is s*t>0?
show work, if any, please.
Algebra.Com
Question 1116310: Let s and t be real numbers.
When is s*t>0?
show work, if any, please.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Let s and t be real numbers.
When is s*t>0?
--------------
|s| > 0
and |t| > 0
----
Or s <> 0 and t <> 0, and
s and t have the same sign.
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