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Evaluating Powers Worksheet

This worksheet focuses on evaluating powers with various bases and exponents, including negative bases, fractional exponents, and zero exponents, suitable for Grade 9 Math students.

Grade 9 Math Number SenseEvaluating Powers
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Includes

Fill in the BlanksMultiple Choice2 Short AnswerTrue / False

Standards

CCSS.MATH.CONTENT.8.EE.A.1CCSS.MATH.CONTENT.HSN.RN.A.2

Topics

MathNumber SensePowersExponentsGrade 9
7 sections · Free to use · Printable
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Evaluating Powers

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Read each question carefully and evaluate the given powers. Show all your work for full credit.

1. In the expression 5³, the base is   and the exponent is  .

2. Any non-zero number raised to the power of zero is always  .

3. When a number is raised to a negative exponent, it means to take the   of the base raised to the positive exponent.

4. What is the value of (-3)²?

a

-9

b

9

c

-6

d

6

5. Which expression is equivalent to 1/8?

a

2³

b

2⁻³

c

(-2)³

d

8⁻¹

6. Evaluate 4³.

7. Evaluate (-2)⁴.

8. Evaluate 7⁰.

9. Evaluate 5⁻².

10. The expression -2⁴ is equal to 16.

T

True

F

False

11. (1/3)² is equal to 1/9.

T

True

F

False

12. A scientist observes a bacterial colony that doubles in size every hour. If the colony starts with 100 bacteria, how many bacteria will there be after 5 hours? Express your answer as a power and then evaluate it.

13. Evaluate the expression: (2/3)³.