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ICSE Class 7 Answered

{(1/4)power-4 - (1/2)power3} + (1/5)power2

 

Please help me with the solution step by step

Asked by pritisharma1717 | 08 Sep, 2018, 08:37: PM
Expert Answer
begin mathsize 16px style open parentheses 1 fourth close parentheses to the power of negative 4 end exponent minus open parentheses fraction numerator begin display style 1 end style over denominator begin display style 2 end style end fraction close parentheses cubed plus open parentheses fraction numerator begin display style 1 end style over denominator begin display style 5 end style end fraction close parentheses squared
equals 4 to the power of 4 minus 1 over 8 plus 1 over 25
equals 256 minus 1 over 8 plus fraction numerator begin display style 1 end style over denominator begin display style 25 end style end fraction
equals 256 plus fraction numerator 8 minus 25 over denominator 200 end fraction
equals 256 minus 17 over 200
equals fraction numerator 51200 minus 17 over denominator 200 end fraction
equals 51183 over 200 equals 255.915 end style
Answered by Sneha shidid | 10 Sep, 2018, 01:22: PM

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