Exponential Notation
Exponential Notation : (Math) A mathematical convention for representing very large or very small decimal numbers in abbreviated form. In this notation, a number (or symbol) is superscripted to another number (or symbol) to indicate how many times that number (or symbol) is to be multiplied by itself: e. g. , 53 = 5 x 5 x 5 = 125. Also called: Index. Note: As an example of usage, light travels at the speed of approx 180, 000 miles per second, or 1. 8 x 105 raps; the wavelength of red light is in the range of 4000 angstroms, or 4. 0 x 10-5 cm. Typical expressions of exponential notation: 100 = 1; 101 = 10; 102 = 100; 103 = 1,000; 104 = 10,000; 105 = 100,000; 106 = 1,000,000; 10-1 = 0. 1; 10-2 = 0. 01; 10-3 = 0. 001; 10-4 = 0. 000,1; 10-5 = 0. 000,01; 10-6 = 0. 000,001 and 10-7 = 0. 000,000,1
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