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Express the Following Rational Numbers with a Positive Exponent: 4 3 × 4 − 9 - Mathematics

Short Note
Sum

Express the following rational numbers with a positive exponent:

\[4^3 \times 4^{- 9}\]
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Solution

\[4^3 \times 4^{- 9} \]
\[ = 4^\left( 3 - 9 \right) = 4^{- 6} \]
\[ = \left( \frac{1}{4} \right)^6\] → (am x an = am+n)

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 2 Powers
Exercise 2.2 | Q 6.3 | Page 19
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