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Express the Following Rational Numbers with a Negative Exponent: { ( 7 3 ) 4 } − 3 - Mathematics

Sum

Express the following rational numbers with a negative exponent:

\[\left\{ \left( \frac{7}{3} \right)^4 \right\}^{- 3}\]
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Solution

\[ \left\{ \left( \frac{7}{3} \right)^4 \right\}^{- 3} \]
\[ = \left( \frac{7}{3} \right)^{- 12} \left[ \because \left( a^m \right)^n = a^{mn} \right]\]

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 2 Powers
Exercise 2.2 | Q 5.5 | Page 18
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