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In mathematics, a product is the result of multiplication, or an expression that identifies objects (numbers or variables) to be multiplied, called factors.For example, 21 is the product of 3 and 7 (the result of multiplication), and (+) is the product of and (+) (indicating that the two factors should be multiplied together).
Such a product is the subject of dimensional analysis. The inverse operation of multiplication is division. For example, since 4 multiplied by 3 equals 12, 12 divided by 3 equals 4. Indeed, multiplication by 3, followed by division by 3, yields the original number. The division of a number other than 0 by itself equals 1.
A natural number is a sociable sum-product number if it is a periodic point for , where () = for a positive integer, and forms a cycle of period . A sum-product number is a sociable sum-product number with p = 1 {\displaystyle p=1} , and an amicable sum-product number is a sociable sum-product number with p = 2. {\displaystyle p=2.}
Visualisation of powers of 10 from one to 1 trillion. In mathematics, a power of 10 is any of the integer powers of the number ten; in other words, ten multiplied by itself a certain number of times (when the power is a positive integer). By definition, the number one is a power (the zeroth power) of ten. The first few non-negative powers of ...
For =, the definition of ! as a product involves the product of no numbers at all, and so is an example of the broader convention that the empty product, a product of no factors, is equal to the multiplicative identity. [22]
In spirits author Kara Newman’s 2016 book Shake.Stir. Sip., which features more than 50 cocktails made in equal-parts, she writes, “Some of the best cocktails are the easiest to make.” These ...
10.2 Prime number theorem. ... To state the logarithm of a product law formally: ... This relationship is equal to: [10]: 2 ...
Meghan Trainor is sharing her cosmetic procedure regrets.. The singer, 30, admitted she’s had “too much Botox” to the point where she “cannot smile” while speaking on the Nov. 20 episode ...