Dictionary » E » Exponents

Exponents

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.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Problem with the normalization of PCR Ct values

Hi!! Thanks a lot for your replies! Probably I misunderstood the term "ratio". When dealing with exponents, division corresponds to subtraction... So, I will subtract the Ct values to get the ΔCt. These values are inserted to the statistical package. After the statistical ...

See entire post
by Tzia
Wed May 01, 2013 8:48 pm
 
Forum: Molecular Biology
Topic: Problem with the normalization of PCR Ct values
Replies: 5
Views: 2535

Can someone check my Radiometric Dating Problems?

I knew there was a way to do it using exponents... 1/16 = (1/2)^(n/5730) ln(1/16) = ln((1/2)^(n/5730)) ln(1/16) = (n/5730) * ln(1/2) n/5730 = ln(1/16) / ln(1/2) = 4 n = 5730 * 4 = 22,920

See entire post
by Chroma
Sun Jan 24, 2010 7:26 pm
 
Forum: General Discussion
Topic: Can someone check my Radiometric Dating Problems?
Replies: 5
Views: 1790

Can someone check my Radiometric Dating Problems?

You can just use exponents if you don't want to halve many times i.e. (.5)^(n/half life) where n is number of years in question

See entire post
by mith
Sun Jan 24, 2010 5:18 pm
 
Forum: General Discussion
Topic: Can someone check my Radiometric Dating Problems?
Replies: 5
Views: 1790

Re: Best diet???

... to Mc Donalds and extrac the meat from the food just for eat "without meat" is an wrong practice. Of course there is a lot of non serius exponents talking about veganism as simply "not eat meat". Nothing more simplystic.

See entire post
by GegnianMD
Fri Dec 28, 2007 3:33 pm
 
Forum: Human Biology
Topic: Best diet???
Replies: 9
Views: 6061


This page was last modified 21:16, 3 October 2005. This page has been accessed 2,186 times. 
What links here | Related changes | Permanent link