Algebra 1 7-7 Guided Practice: Exponential Growth and Decay

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by Matthew Richardson

| 6 Questions

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Solve It! The half-life of a radioactive substance is the length of time it takes for half of the atoms in a sample of the substance to decay. The half-life of uranium-238 is expressed in scientific noation below.

Suppose you have a sample of 1000 uranium-238 atoms. How many atoms of uranium-238 are left after the following number of years?

Enter only the number of atoms.

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Problem 1 Got It?

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Vocabulary: Define compound interest in your own words.

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Problem 3 Got It?

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