Math Unit 9 Exponents Review

Which of the following equations correctly describes the table?

Which of the following equations correctly describes the table?

Rewrite the expression using the fewest possible exponents.

The two graphs show models characterized by exponential decay representing the area covered by two different algae blooms, in square yards, weeks after different chemicals were applied.

Which algae bloom covered a larger area when the chemicals were applied?

• Algae shown by red triangles

• Algae shown by blue circles

Which algae population is decreasing more rapidly?

• Algae shown by red triangles

• Algae shown by blue circles

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Answer explanation

b(4) = 810,000

Interpretation:

4 days after the population of bacteria was 10,000, the population of bacteria was 810,000.

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