while its scientific notation equivalent would likely be read out as "one-point-two-five times ten-to-the-negative-eight meters".

Engineering notation, like scientific notation generally, can use the E notation, such that can be written as 3.0E-9 or 3.0e-9. The E (or e) should not be confused with the Euler's number e or the symbol for the exa-prefix.

Binary engineering notation

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