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positive x positive = positive negative x negative = positive positive x negative = negative negative x positive = negative The same rules apply for dividing, since dividing is actually multiplying by the reciprical.
Because A Negative x A pOsItIVE = nEgaTiVE * * * * * (-4)4 = 256. It is positive, not negative. The most likely reason for getting a negative result is that no brackets were used and so what was calculated was actually -44
enantiomers
The horizontal axis can be used with zero where the axes meet. usually the positive are to the right and negative to the left. but any axis can be used if defined as such.
a negative number divided by a negative number is a positive number. This chart can be used to find the quotient or product when dividing and multiplying integers PNN NPN NNP for example, P P P means that a positive multiplied or divided by a positive = a positive.