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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
How much is 10000000000000000000000000000000000 in words?
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Is the square root of 49 rational?
YES!!!
49^(1/2) = +/-7
The two answers are (+)7 & (-)7 , both of which are rational .
Is the square root of 7 rational?
No. Square roots of whole numbers that don't result in whole numbers (e.g. the square root of 64 is 8), are considered to be "irrational numbers".
Expressed as a proper fraction in its simplest form, 0.071 is equal to 71/1000 or seventy-one thousandths.
What are the prime numbers between 12 and 30?
There are exactly 5 prime numbers between 12 and 30: 13, 17, 19, 23, and 29.
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What is the biggest decimal number?
This is unanswerable because , taking 'pi' which is an irrational number, the decimals go to infinity.
Hence the biggest decimal numbers is unanswerable.
Remember pi = 3.141592......
Decimal ; 0.2 is 'zero point two'.
Fraction ; 0.2 is 'two tenths(2/10)'. or more correctly ' one fifth(1/5)'.
Oh, dude, you're really making me work here. That number is like twenty billion in words. So, if you're ever in a super fancy math class and the teacher asks you to spell out that massive number, just remember, it's twenty billion. No need to thank me for this life-changing knowledge.
Could 2x4x5x9x11 be the prime factorization of a number?
No because all the numbers in a prime factorization must be prime. The number 9 is not prime. It should be 3 *3. same thing with 4, should be 2*2. So what would be a prime factorization is 2x2x2x3x3x5x11.
Hours are units of time. Kilometers are units of distance. The two are not related, and can not be converted without knowing something else, such as speed.
YES!!!
It is the product of 3^(5) = 3x3x3x3x3 = 9 x 9 x3 = 81 x 3 = 243.
What is the roman numeral MCMLXV mean?
The answer is 1960.
If you think I am wrong Google it.
I am 10 years old.
Thank You.
Solution 1960.
Improved Answer:-
In todays modern notation of Roman numerals they represent 1965
What are the numbers divisible by 3 and 4 up to 100?
The numbers divisible by both 3 and 4 up to 100 are the multiples of their least common multiple (LCM), which is 12. The multiples of 12 up to 100 are 12, 24, 36, 48, 60, 72, 84, 96. Therefore, the numbers divisible by 3 and 4 up to 100 are 12, 24, 36, 48, 60, 72, 84, and 96.
What is the last number in the whole world?
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
What does the roman numeral MCC mean?
MCC = 1200
Constructed as ;
M = 1000
C = 100
Hence
MCC = 1000 + 100 + 100 = 1200
Is negative two an irrational number?
Rational numbers are those that can be expressed as a ratio of two integers. So 2, which can be expressed in such a way, for example, (-2) / 1 or 2 / (-1) is a rational number.
All fractions are rational(ratio/quotient).
Irrational numbers are those decimal numbers that CANNOT be converted to a FRACTION/RATIO/QUOTIENT.
YES!!! Because it can be converted to a ratio/fraction
7.9 = 7 9/10 or 79/10
NB All numbers are rational except those, where the decimal digits recur to infinity AND there is no regular order in the decimal digits
e.g.,
Rational ; 3.333333......
Irrational ; 3.141592.... ( pi)
Both numbers recur to infinity, but 'pi' there is no regular order in the decimal digits.
There are many more irrational numbers.
