Step-5

Title: Use law of exponent stem:[a^-n/b^-m = b^m/a^n]

Grade: 6-a Lesson: S3-L4

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

Lesson Steps

Step Type Explanation Answer

1

Problem

Simplify the value

\$ 12^(-2)/13^(-2) \$

2

Step

Use law of exponent

\$a^-n/b^-m = b^m/a^n\$

3

Step

Calculating exponents

\$ (13 \times 13)/(12 \times 12) \$

4

Step

calculating the exponents

\$=> 169/144 \$

5

Answer

C


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