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To the extent that they do, nearly all of the effects are positive:
1. They allow people to see in the dark. This is useful when the electricity goes out.
2. They allow law enforcement agents to track criminals at night.
3. They allow electricians, theater ushers, plumbers, and numerous others to do their jobs better.
And if you really want a negative:
1. I guess they create some waste in the form of used batteries. I hear those are bad for the environment.
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How is a negative times a negative a positive?
the thing is that when there are two negatives you need to cross out those which will give positive times positive equals positive. this is the rule that you need to learn it. negative*negative=positive positive*positive=positive negative*positive=negative The same thing for devision
How are multiplying integers and dividing integers alike?
a negative x a negative= a positive, a positive x a positive= a positive, a negative x a positive= a negative, and a positive x a negative= a negative. Same thing with division. a negative divided by a negative= a positive, a positive divided by a positive= a positive, a negative divided by a positive= a negative, and a positive divided by a negative is a negative. U see?
Is negative 5 greater than positive 0?
Zero isn't positive or negative. All negative numbers are less than zero.There is no such thing as "positive" (or "negative") zero.Also, a negative number is always less than any positive number.
What is a negitive plus a negitive?
A negative plus a negative is a negative because a negative plus a negative is the same thing as a negative minus a positive number.
Why is subtracting a negative number a positive number?
It is a double negative, subtracting is essentially adding a negative, therefore subtracting would be a negative negative number, which would be a positive, my mom helped me remember it by thinking if a bad thing happened to a bad person, it would be good, if a good thing happened to a good person it would be good, if a bad thing happened to a good person it would be bad, ect.
