I have a sensor which give measurements like this:

3.162277660168379e-3
9.036494737223004
4.340102636447431e-1
3.7325015779571986
3.162277660168379e-3
4.487453899331332e-1
3.5686174928348136e-3
6.9742899688173485e-2
1.499684835502374e-2

How to convert data to decimal format with 4 digits after decimal point accuracy?