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This question already has an answer here:

When you have 2 adjectives describing one object, do you use 2 hyphens? For example:

There are short- and long-form publications.

marked as duplicate by Edwin Ashworth, tchrist, sumelic, FumbleFingers, Chenmunka Aug 26 '15 at 17:50

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    Yes. That is the correct way to handle that. Welcome to the site. – Carl Smith Aug 24 '15 at 20:56
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That's correct

General Principle 5

When two or more compound modifiers have a common base, this base is sometimes omitted in all except the last modifier, but the hyphens are retained.

Examples:

Long- and short-term memory

2-, 3-, and 10-min trials.

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