in both cases.
Computer representations of floating point numbers typically use a form of rounding to significant figures, but with binary numbers.
Identifying significant digits
The rules for identifying significant digits when writing or interpreting numbers are as follows:
* All non-zero digits are considered significant. For example, 91 has two significant figures (9 and 1), while 123.45 has five significant figures (1, 2, 3, 4…
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