To convert 457 centigrams per minute to milligrams per hour, we can follow these steps:
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Convert centigrams to milligrams:
- 1 centigram (cg) = 10 milligrams (mg)
- Therefore, 457 centigrams = 457 × 10 mg = 4570 mg.
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Convert minutes to hours:
- There are 60 minutes in an hour.
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Calculate milligrams per hour:
- If you have 4570 mg per minute, then for one hour (60 minutes), you multiply by 60.
- 4570 mg/min × 60 min/hour = 274200 mg/hour.
So, \[ 457 \text{ centigrams per minute} = 274200 \text{ milligrams per hour} \]