: Re: Do Decimals Bounded Between 0 and 1 (inclusive) Need a Leading Zero? For a variable bounded between 0 and 1 inclusive, [0,1], should I use a leading zero when quoting a number? E.g. the

@Kevin153

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The Chicago Manual of Style says that the inclusion or omission of a leading 0 depends on whether quantity could be greater than 1.

If the quantity could be greater than than 1, include the leading 0. Especially if quantities greater than 1 appear in the same context.

For quantities that are always less than 1, it is typical to omit the leading 0. CMoS gives several examples: Probabilities and baseball batting averages.

Odd choices of examples, given that 1 is a perfectly valid value for probabilities and batting averages. Likely they meant "never greater than 1. Coulda used better editing.

Other style manuals may give other advice.

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