During testing of a certain brand of air purifier, the amount of smoke remaining t min after the start of the test was 
percent of the original amount. Compute 
. Round the answers to the nearest thousandth. 
__________% per minute 
__________% per minute in the second power
Definitions:
Economic Profit
The difference between total revenue and total costs, including both explicit and implicit costs, indicating the financial gain exceeding opportunity costs.
Marginal Revenue
The extra revenue received from the sale of an additional unit of a product or service.
Competitive Price-searcher
A market participant who actively seeks out the best price for goods or services among various competitors.
Product Variety
Product variety refers to the assortment of different goods and services that a company offers to meet varying customer needs and preferences.
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