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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 binary and decimal?

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10 <- Decimal's feature. (10*1)

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100 <- Decimal's feature. (10*10)

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2 10 <- binary's feature. (2*1)

3 11

4 100 <- binary's feature. ( 2*2)

5 101

6 110

7 111

8 1000 <- binary's feature. (2*2*2)

Dr. Koji Kobashi, Jr.

What is being measured of avogadro's number?

One mole of atoms. The number of Carbon-12 atoms that are required to form a block that weighs precisely 12 grams. Roughly 6.02x10^23 atoms.

Is 8.4444 an irrational number?

8.4444 is the ratio of 84,444 to 10,000 . That's rational.

What is the multiple for 14 and 86?

Common multiples include any multiple of 602.

Is 2750 a prime number?

No - its positive integer factors are:

1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750