Pediatric nurses use measuring,weighing,counting,ratios, and proportions.
They must to know "how many of [smthng] exists" .
The type of math that scientists use is algebra and geometry. They also use calculus and statistics in their work.
Anesthesiologists use trigonometry to solve their type of math.
Hospital workers often use math when determining the correct dose of medicine to give to a patient. The correct dose may be determined by weight, and addition or multiplication may be used.
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mechanical engineers, land surveyors, math teachers, and registered nurses.