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The table shown on the right can be used in a two-sample t-test to estimate the sample sizes of an experimental group and a control group that are of equal size, that is, the total number of individuals in the trial is twice that of the number given, and the desired significance level is 0.05. [4]
Military operations are carried out by directing the efforts of a number of small, highly coordinated units that do the actual fighting, for example infantry units, gun crews, or bomber crews. In many sports a team consists of five or six players. Baseball manages with the large number of nine because any given play involves only a few of ...
At this number, settlements are too small or scattered to be considered "urban", and services within these settlements (if any) are generally limited to bare essentials: e.g., church, grocery store, post office, etc. Throughout most of human history, very few settlements could support a population greater than 150 people.
The domain of eukaryotes represent a small minority of the number of organisms; [17] however, due to their generally much larger size, their collective global biomass is estimated to be about equal to that of prokaryotes. [17] Prokaryotes number about 4–6 × 10 30 cells and 350–550 Pg of C. [18]
Many animals, including humans, tend to live in groups, herds, flocks, bands, packs, shoals, or colonies (hereafter: groups) of conspecific individuals. The size of these groups, as expressed by the number of people/etc in a group such as eight groups of nine people in each one, is an important aspect of their social environment.
The following table lists the names of small numbers used in the long and short scales, along with the power of 10, engineering notation, and International System of Units (SI) symbols and prefixes. [1] [page needed] [2] [page needed] [3] [page needed] [4] [5] [6] [7]
Generally, the order of magnitude of a number is the smallest power of 10 used to represent that number. [4] To work out the order of magnitude of a number , the number is first expressed in the following form:
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.