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Evaluate: - Mathematics

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Sum

Evaluate:

`[(-3/4)^-2]^2`

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Solution

`[(-3/4)^-2]^2=(-3/4)^(-2xx2)=(-3/4)^-4`

=`(4/3)^4=(4xx4xx4xx4)/(3xx3xx3xx3`

=`256/81=3 13/81`

Concept: Concept of Exponents
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 2 Exponents
Exercise 2 (A) | Q 1.08 | Page 31
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