|≈||approximately equal to|
|digits||indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …)|
The carat (ct) is a unit of mass equal to 200 mg (0.2 g; 0.007055 oz) and is used for measuring gemstones and pearls.
Decigram or decigramme is equal to 10-1 gram (unit of mass), comes from a combination of the metric prefix deci (d) with the gram (g). Plural name is decigrams.
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