CBSE Class 8 Answered
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Asked by harshitjoshi50.8cpsk | 14 Jun, 2021, 20:31: PM
1. Multiplicative inverse of a is 1/a
So, the multiplicative inverse of 10-4 is ![1 over 10 to the power of negative 4 end exponent equals 10 to the power of 4](https://images.topperlearning.com/topper/tinymce/cache/d8388ab7f0fd1bfffaf90f7d2d20dfe3.png)
![1 over 10 to the power of negative 4 end exponent equals 10 to the power of 4](https://images.topperlearning.com/topper/tinymce/cache/d8388ab7f0fd1bfffaf90f7d2d20dfe3.png)
2. ![open parentheses negative 4 close parentheses to the power of negative 3 end exponent equals 1 over open parentheses negative 4 close parentheses cubed equals fraction numerator negative 1 over denominator 64 end fraction](https://images.topperlearning.com/topper/tinymce/cache/69141ec406afcf671f668b9c3f43134f.png)
![open parentheses negative 4 close parentheses to the power of negative 3 end exponent equals 1 over open parentheses negative 4 close parentheses cubed equals fraction numerator negative 1 over denominator 64 end fraction](https://images.topperlearning.com/topper/tinymce/cache/69141ec406afcf671f668b9c3f43134f.png)
3. ![open parentheses fraction numerator negative 5 over denominator 3 end fraction close parentheses cubed cross times open parentheses fraction numerator negative 5 over denominator 3 end fraction close parentheses equals fraction numerator negative 125 over denominator 27 end fraction cross times fraction numerator negative 5 over denominator 3 end fraction equals 625 over 81](https://images.topperlearning.com/topper/tinymce/cache/ea741e99f46f496b1f2bbdfa7488b417.png)
![open parentheses fraction numerator negative 5 over denominator 3 end fraction close parentheses cubed cross times open parentheses fraction numerator negative 5 over denominator 3 end fraction close parentheses equals fraction numerator negative 125 over denominator 27 end fraction cross times fraction numerator negative 5 over denominator 3 end fraction equals 625 over 81](https://images.topperlearning.com/topper/tinymce/cache/ea741e99f46f496b1f2bbdfa7488b417.png)
Answered by Renu Varma | 15 Jun, 2021, 11:01: AM
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