In which unit does the value of milli,centi,deci etc -12 is the power of femto

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Solution

$1 m i l i m e t e r = 10^{- 3} m 1 c m = 10^{- 2} m 1 d e c i m e t e r = 10^{- 1} m 1 f e r m t o m e t e r = 1 f e r m i = 10^{- 15} m$

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In which unit does the value of milli,centi,deci etc -12 is the power of femto

1 mili meter = 10-3 m1 cm = 10-2 m 1 deci meter = 10-1 m1 fermto meter = 1 fermi = 10-15 m

$1 m i l i m e t e r = 10^{- 3} m 1 c m = 10^{- 2} m 1 d e c i m e t e r = 10^{- 1} m 1 f e r m t o m e t e r = 1 f e r m i = 10^{- 15} m$