-Based on the Graph, If 35% of the Original 40K

question 110

Multiple Choice

-Based on the graph, if 35% of the original 40K remains in a sample of basalt, what is the approximate age of the rock?

• A) 1 billion years old
• B) 2 billion years old
• C) 3 billion years old
• D) 4 billion years old
• E) 5 billion years old

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Definitions:

Round Answers

The process of adjusting the decimal places of a number to simplify it, based on specific rounding rules.

Simple Interest

Interest calculated on the principal portion of a loan or deposit, using a simple calculation that does not compound.

Monthly Basis

An occurrence or calculation that happens every month.

Round Answers

Round Answers indicates the practice of adjusting numerical answers to a specified degree of precision, often the nearest whole number, to simplify presentation or calculation.