If the Half-Life of a Material Is 45 Years,how Much

question 120

Multiple Choice

If the half-life of a material is 45 years,how much of it will be left after 100 years?

• A)more than 1/2
• B)less than 1/2 but more than 1/4
• C)more than 1/4 but less than 1/2
• D)less than 1/4 but more than 1/8
• E)less than 1/8

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Definitions:

Paid

The state of having been transferred money in exchange for goods or services.

Economic Value

A measure of the worth of goods or services based on their ability to fulfill needs or desires.

Interest Rate

The interest rate is the percentage of a loan amount that a lender charges as interest to the borrower, typically expressed as an annual percentage of the principal.

Equivalent

Something that is equal in value, amount, function, or meaning to something else.