In a laboratory accident a work area is contaminated with radioactive material. Health physicists monitor the area during a 30-day period and, after correcting for the background rate, obtain the data shown in the table.
The accident occurred at t = 0. They determine that it will not be safe for workers to enter the area until the radioactivity level has dropped to 133 counts per minute. Of the choices listed below, which one is the earliest time that workers could safely return?
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Market Price
The prevailing rate at which a commodity or service is available for purchase or sale in a specific market.
Quantity Supplied
The total amount of a good or service that producers are willing and able to sell at a given price over a specific time period.
Number of Sellers
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Technological Innovations
New or improved technologies, processes, or methods that significantly increase efficiency or productivity.
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