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ICSE Class 8 Answered

[(-1/3) to the power -3 -(1/2) to the power-2]÷(1/4)to the power 2

Asked by soumyajagtap11.8spicertl | 31 May, 2020, 06:07: PM
Expert Answer
begin mathsize 16px style open square brackets open parentheses fraction numerator negative 1 over denominator 3 end fraction close parentheses to the power of negative 3 end exponent minus open parentheses 1 half close parentheses blank to the power of negative 2 end exponent close square brackets divided by open parentheses 1 fourth close parentheses squared
equals open square brackets open parentheses fraction numerator 3 over denominator negative 1 end fraction close parentheses cubed minus open parentheses 2 close parentheses squared close square brackets divided by open parentheses 1 fourth close parentheses squared space.... space space straight a to the power of negative straight m end exponent space equals space 1 over straight a to the power of straight m
equals open parentheses negative 27 space minus space 4 close parentheses divided by 1 over 16
equals negative 31 space cross times 16
equals space minus 496 end style
Answered by Yasmeen Khan | 31 May, 2020, 09:20: PM

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