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What is 1.9 subtract 2.7?
-0.8000000000000003
What happens if you subtract a positive and a negative numbers?
In addition different signs you subtract and give the sign of the bigger number. Ex: 6+(-8)= -14
When you subtract a number from itself?
You will get zero if you subtract a number from itself.
If division by zero is not defined then why do you consider inverse of zero as infinity in calculus?
Division by zero is not "not defined". Division is the repeated subtraction of one thing from another, counting the number of times you subtract. If you divide 15 by 3 you get 5. You can also subtract 3 from 15 5 times. If you subtract zero from something, that something does not change, so you could say that anything divided by zero is infinity. (End of answer to question asked, but....) By definition, a positive number divided by zero is positive infinity, and a negative number divided by zero is negative infinity. Also, what "is" not defined is zero divided by zero. We call that indeterminate. However, its not quite that simple. For example, 2x / x when x = 0 is indeterminate, but the limit of 2x / x as x approaches zero is very determinant: it is 2
How do you subtract a negative number and a negative number?
Count back towards Zero, and then keep going if you need to. Examples : -5 - -3 = -2 -6 - -9 = 3 -12 - -4 = -8
