Perl normally uses double for floating point numbers, even on 32-bit machines. You can find out what your perl uses as follows:

$ perl -V:nvtype
nvtype='double';
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A double is an IEEE double-precision number on a desktop computer.

As such, 8.95 is actually stored as 0x1.1E66666666666 * 2^3 = 8.949999999999999289457264239899814128875732421875.