Lesson Example Discussion Quiz: Class Homework |
Step-1 |
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 |
\$ 49^(-2)/7^(-4) \$ |
2 |
Formula: |
Use law of exponent |
\$a^-n/b^-m = b^m/a^n\$ |
3 |
Step |
Calculating exponents |
\$ (7 \times 7 \times 7 \times 7)/(49 \times 49) \$ |
4 |
Step |
calculating the exponent |
\$ => \cancel2401^1/\cancel2401^1 \$ |
5 |
Step |
calculating the exponent |
\$=> 1\$ |
6 |
Answer |
B |
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