Question: Laws and Order

Comment on Laws and Order

I just started using site for my prep. Initially everything was going fine but suddenly, the videos won't play. Please help. I am a registered user.
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In step 3, (-4) x 2 shouldn´t it be +8?? (-)(-)= +??
greenlight-admin's picture

You are correct when you write (-)(-)= +

However, in (-4) x 2, we have (NEGATIVE)(POSITIVE)

That is, -4 is negative and 2 is positive.

So, (-4) x 2 = -8

Always Scan First!

Whenever you encounter a quantitative question with answer choices, be sure to SCAN the answer choices before performing any calculations. In many cases, the answer choices provide important clues regarding how to best solve the question. 

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