Polystyrene Is Used to Make Styrofoam Cups

question 63

Multiple Choice

Polystyrene is used to make Styrofoam cups.For this usage,which property is most important?

• A)Good insulator
• B)Light weight
• C)White and opaque
• D)Brittle

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Definitions:

Compound Interest

The process of computing interest by including both the primary sum borrowed or deposited and the interest that has previously accumulated over time.

Estimated Cost

A prediction or approximation of the cost of goods or services, based on current and past information, before the actual expense is known.

Net Present Value

A method used in capital budgeting to determine the profitability of an investment by calculating the sum of its present values of all expected future cash flows.

Present Value Index

A financial metric used to evaluate the present value of future cash flows in relation to the initial investment, also known as the profitability index.