1 convert nbsp5 x 10-5nbspm to micrometers mum 2 convert 25

Question

1) Convert  5 x 10^-5 m to micrometers (μm)

2) Convert 2.5 x 10^-9 m² to micrometers squared (μm²)

3) Calculate the diameter in micrometers (μm) of a circular polyester fiber that has a cross section area of 1.256 x 10^-9 m².

4) Calculate the linear density in denier (den) of the polyester fiber described in (3).  The volumetric density of the polyester fiber is 1.40 g/cm³.