Step-1

Title: Use law of exponent stem:[a^(-n) = 1/a^(n)]

Grade: 6-a Lesson: S3-L2

Explanation: Hello Students, time to practice and review the steps for the problem.

Step Type Explanation Answer

1

Problem

Simplify the value

\$ 5^(-4)\$

2

Formula:

Use law of exponent

\$a^(-n) = 1/a^(n)\$

3

Step

Calculating exponents

\$ 1/(5\times 5 \times 5 \times 5 ) \$

4

Step

Calculating exponents

\$=> 1/625 \$

5

Answer

D


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