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CBSE Class 8 Answered

Asked by harshitjoshi50.8cpsk | 14 Jun, 2021, 08:31: PM
Expert Answer
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
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
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
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