scRNASeq expression matrix with decimal values
It looks like you have normalized counts. My guess is that they are log-normalized with some scale factor, probably 10000.

With the whole matrix you should be able to work out the scale factor for each cell. See https://www.nxn.se/valent/2018/10/25/unscaling-scaled-counts-in-scrna-seq-data 

They typical format for scRNA-seq data is to have cells in the columns and genes in the rows. So here your rownames are the gene names and colnames are the cell names.