Dictionary » E » Exponent



1. (Science: mathematics) a number, letter, or any quantity written on the right hand of and above another quantity, and denoting how many times the latter is repeated as a factor to produce the power indicated.

thus a^2 denotes the second power, and a^n the xth power, of a (2 and x being the exponents). A fractional exponent, or index, is used to denote the root of a quantity. Thus, a^1/3 denotes the third or cube root of a.

2. One who, or that which, stands as an index or representative; as, the leader of a party is the exponent of its principles. Exponent of a ratio, the quotient arising when the antecedent is divided by the consequent; thus, 6 is the exponent of the ratio of 30 to 5.

Origin: L. Exponens, -entis, p. Pr. Of exponere to put out, set forth, expose. See Expound.

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Looking for answers/input.

... There're 23 letters using a set of both upper and lower case letters (26 + 26 = 52) plus 1 for the space (53) so the probability is 1 in 53 to an exponent of 23 using the multiplication rule. Example: Chances of rolling 1 and 1 on a 6-sided dice are 1 in 6 with an exp of 2 or 1 in 36. I wrote ...

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by Mirabilis
Wed Mar 11, 2009 11:29 pm
Forum: Evolution
Topic: Looking for answers/input.
Replies: 9
Views: 8657

Re: Beer Lambert Law

So what happened to your exponent on the power of ten? I didn't check the extinction coefficient (now preferably called the molar absorptivity) of NADH. I'll take your word for it that it is 6.22E3 A/ M cm. What you haven't told anyone ...

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by blcr11
Thu Mar 05, 2009 2:42 pm
Forum: Molecular Biology
Topic: Beer Lambert Law
Replies: 1
Views: 8037

Why aren't bacteria taking over the world?

"there are approximately five nonillion (5×1030) bacteria on Earth, forming much of the world's biomass." -Wikipedia The exponent is a 30, on the scientific notation there.

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by Chmeee
Wed Sep 24, 2008 3:02 am
Forum: Microbiology
Topic: Why aren't bacteria taking over the world?
Replies: 15
Views: 13962

Mathematical Biology, metabolism, origins of life, evolution

... Kleiber's Law that includes the term for metabolic efficiency (ME). The equation deals with metabolic rate and biomass. The term ME occurs in the exponent of biomass, and is clearly a statement of efficiency of redox coupling. This means electrochemistry. Metabolic rate is then expressed in watts, ...

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by GregorioKelly
Wed Oct 17, 2007 2:19 am
Forum: Evolution
Topic: Mathematical Biology, metabolism, origins of life, evolution
Replies: 0
Views: 4677

Geometric Progressions

Reducing the factor by which the geometric progression increases (lowering the value of the exponent) reduces the difference between numbers of people and amount of food production. It can be achieved by lowering family size or delaying childbearing.

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by flipper1067
Wed Aug 29, 2007 4:47 am
Forum: Evolution
Topic: Geometric Progressions
Replies: 14
Views: 8608
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