The Radioactive Element Polonium Decays According to the Law

question 246

Short Answer

The radioactive element polonium decays according to the law , where is the initial amount and the time t is measured in days. If the amount of polonium left after 420 days is 80 mg, what was the initial amount present?
__________ mg

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Definitions:

Lot Size

The quantity of items processed or procured in a single order or batch, affecting inventory levels and production efficiency.

Periodic Review

A systematic evaluation of a process or system at regular intervals to ensure it meets certain standards or goals.

Safety Inventory

Additional inventory kept to protect against variability in demand or supply, ensuring that stockouts are minimized.

Cycle Service Level

A measure of a company's ability to deliver products to customers within the committed time frame, often used as an indication of inventory management effectiveness.