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ICSE Class 8 Answered

Evaluate: fraction numerator 9 to the power of negative 1 end exponent cross times 5 cubed over denominator 3 to the power of negative 3 end exponent end fraction Simplify : a) open parentheses 2 over 3 close parentheses to the power of negative 2 end exponent  
Asked by shravanishirke06.8spicertl | 03 Jun, 2020, 12:43: PM
answered-by-expert Expert Answer
fraction numerator 9 to the power of negative 1 end exponent cross times 5 cubed over denominator 3 to the power of negative 3 end exponent end fraction equals fraction numerator 3 cubed cross times 5 cubed over denominator 3 squared end fraction equals 375

open parentheses 2 over 3 close parentheses to the power of negative 2 end exponent equals 3 squared over 2 squared equals 9 over 4
Answered by Arun | 03 Jun, 2020, 03:46: PM
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