How Many Micrometers, M M, Are Present in 0

How many micrometers, m m, are present in 0.575 mm?

A) 5.75×10 ^{- 10} m m
B) 5.75×10 ^{- 4} m m
C) 5.75×10¹ m m
D) 5.75×10² m m
E) 5.75×10⁸ m m