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1 E18 s

To help compare orders of magnitude of different times this page lists times between 1018 seconds and 1019 seconds (32 000 million years and 320 000 million years) See also times of other orders of magnitude.

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Quadratic formula

... equation <math>ax^2+bx+c=0</math> in terms of the coefficients a, b and c, which are assumed to be real (but see below for generalizations) with a being ...

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