Currently there is a number of similar tags:
I think all should be merged and synonymized into
closed as off-topic by Martijn Pieters, rene, ProgramFOX, random, ɥʇǝS Aug 28 at 18:40
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There are a few questions about scientific or exponential notation (e.g. 1 2) which should be retagged scientific-notation. It might be worth it to create a synonym exponential-notation → scientific-notation.
I see far more strays in exponent and exponents, so I think they should be reviewed manually, not merged with exponential. Some should be retagged to exponential, others to scentific-notation (and floating-point if it isn't there already), with odds and ends like 1 2 3. Furthermore, I don't think the tag exponent should stay, it's too ambiguous and the better name exponential is a completion. Let exponent and exponents die when all their questions are retagged.