Question

define order of magnitude. what is its significance ​

Answer 1

Answer:

An order of magnitude is an exponential change of plus-or-minus 1 in the value of a quantity or unit. The term is generally used in conjunction with power-of-10 scientific notation. ... A decrease of twoorders of magnitude is the equivalent of multiplying by 0.01, or 10-2.

Explanation:

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Answer 2

An order of magnitude is an exponential change of plus-or-minus 1 in the value of a quantity or unit. The term is generally used in conjunction with power-of-10 scientific notation. ... A decrease of two orders of magnitude is the equivalent of multiplying by 0.01, or 10-2.

Order of magnitude refers to rough approximation. Example: around 100 could be anywhere from 50 to 200. Significant figures describes something fairly precise. Example: 1.26 (3 significant figures) means something in the range 1.255 to 1.265.

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