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Numbers

Numbers are our way to quantify, label, and organize the world around us in a logical manner. However, the systems used to obtain this goal differ geographically, historically, and by relative utility. All questions pertaining to numbers, including historic labeling systems, bases of numerical systems, constants, and the various ways they're grouped together, should be placed into this category.

46,867 Questions

What is 2 and 6 over 8 minus 5 over 6?

2 6/8 - 5/6 = 2 18/24 - 20/24 = 1 24/24 + 18/24 = 1 42/24 - 20/24 = 1 22/24 or 1 11/12

What is a subtraction problem in which the difference between two negative numbers results in a positive number?

You require a pair of negative numbers in which the second has a larger magnitude.

For example,

8 > 5

Then the difference between the negative of the second number and the negative of the first is

-5 - (-8) = -5 + 8 = +3

Could 4 be the ones number of a three digit prime number?

no, that makes it an even number, so it would be divisible by 2 so not a prime

What are the formulas for negative and positive numbers?

Negative number = -N , where 0 < N < ∞ .

Positive number = +K , where 0 < K < ∞ .

How fast is 835 kmhr?

If you want to convert it to some other unit, please clarify which unit. For comparison:* A person can comfortably walk at 5 or 6 km/h

* A car can easily get to somewhere around 120 km/h on a good road, if there is no other traffic

* An airplane travels at several hundred km/h

Rational number?

A number that can be written as a fraction.

Are negative integers whole numbers?

Can't say exactly: According to Wikipedia [http://en.wikipedia.org/wiki/Whole_number] ...

Whole numbers may variously refer to:

  • natural numbers beginning 1, 2, 3, ...; the positive integers
  • natural numbers beginning 0, 1, 2, 3, ...; the non-negative integers
  • all integers ..., -3, -2, -1, 0, 1, 2, 3, ...

Yes. A "whole number" is any number that is not a fraction -- that is, an integer -- regardless of sign.

Converting fractions to whole numbers?

Placing a question mark at the end of a phrase does not make it a sensible question. Try to use a whole sentence to describe what it is that you want answered.