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Can 37 represent an even number in some scale?
It can, for example, in base 7 arithmetic.
Why is the sum of two odd numbers even?
-- The first odd number is some even number plus an extra ' 1 '. -- The second odd number is some even number plus an extra ' 1 '. -- Add them. You get (an even number) + (an even number) + ( 2 ). That's an even number. ======================== Another mind-bending , brain-busting way to look at it : -- The first odd number is some even number plus an extra ' 1 '. -- The second odd number is some even number minus ' 1 '. -- Add them. You get (an even number) + (an even number) + ( [1 - 1] or zero ). That's an even number.
If x represent some number what must be four times x?
4x
How many zeros in 6 trillion trillion?
The number 6 trillion trillion can represent two different numbers, because there are two scales in use.The short scale is used in the US, while the long scale is still in use in some countries.The number 6 trillion trillion (short scale) is 6 x 1024, or 6 septillion, with 24 zeros.The long scale assigns number names by millions, not thousands, so 6 trillion trillionis 6 million, million, million; million, million, million or 6 x 1036 with 36 zeros.
What were some similarities between our current number system and the Egyptian number system?
the way they represent one is a line (|)...
