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I'm not sure of the original need, but here are some examples of how they are used, today.
Well, the simplest example is debt. If you're keeping track of your finances, running a total of expenses and income, and tracking what your balance is at all times, it's helpful to be able to continue using the same system when your balance drops below zero.
Anything that has a scale, which has a zero reference point, and it is possible to move into 'negative territory', such as temperature, or altitude (above or below sea level). See related link.
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what is the sum of negative eleven and a number?
i need to know the numbers
Why do you need to know about integers?
What you need to know about integers is that integers is the name for the group of numbers that include whole numbers and negative numbers. But integers DO NOT include fractions.
How can we find the LCM of negative numbers?
The same as with positive numbers. You need at least two numbers to find a GCF.
What is a negative times a positive times a positive?
A negative. If you have a string of positive and negative numbers multiplied together, all you need to find the sign of the answer is to find the parity of the negative numbers. If there are an odd number of negatives then the answer is negative and if there are an even number of negatives then the answer is positive. Remember, positive numbers make no difference to the sign of the answer.
Why do you need negative number?
What is 2-5? Without negative numbers, you have no answer. ■
Why does every integer have an opposite?
The numbers 1,2,3,... etc are called natural numbers or counting numbers. Integers are the natural numbers plus zero plus the negative ( or opposite ) natural numbers. Why do we need negative natural numbers ? For one thing x + 1 = 0 is an equation whose solution is x = -1. We could not solve this equation if we did not have negative integers. So over history these negative numbers came about as a way to solve certain math problems. The numbers 1,2,3,... etc are called natural numbers or counting numbers. Integers are the natural numbers plus zero plus the negative ( or opposite ) natural numbers. Why do we need negative natural numbers ? For one thing x + 1 = 0 is an equation whose solution is x = -1. We could not solve this equation if we did not have negative integers. So over history these negative numbers came about as a way to solve certain math problems.
What is the product of negative 63?
To create a product, you need at least two numbers.
What is the sign of the product of a three negative numbers?
The product of three negative numbers is negative.
What type of numbers is the sum of two negative numbers?
They will be negative numbers as for example -5+(-7) = -12
Is a negative a whole numbers?
No. Whole numbers are counting numbers and zero.
What is the sign of product of three negative numbers?
The product of three negative numbers is negative.
Where do you see negative numbers?
Where do we see negative numbers
