The Half-Life of ³⁰P Is 2 $\times$ 10¹⁰ Nuclei Present Initially,after 10

question 71

Multiple Choice

The half-life of ³⁰P is 2.50 minutes.If a sample of ³⁰P has 1.60 $\times$ 10¹⁰ nuclei present initially,after 10.0 minutes how many remain?

• A) 0.800 \(\times\) 10¹⁰
• B) 0.400 \(\times\) 10¹⁰
• C) 0.200 \(\times\) 10¹⁰
• D) 0.100 \(\times\) 10¹⁰
• E) 0.050 \(\times\) 10¹⁰

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Definitions:

Present Value

The present worth of a future amount of money or series of cash flows when calculated with a certain rate of return.

Withdrawals

The process of removing funds from an account, typically from a bank or investment account.

Retire

The act of leaving one's job and ceasing to work, typically due to reaching a certain age or for health reasons.

Beginning

Beginning, in financial terms, often refers to the starting point or initial value of an account, inventory, or financial statement at the onset of a period.