The relation between x, y and z where x = 81, y = 4 and z = 3 written in the exponential form is :

x raised to the power of y=z

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z raised to the power of y=x

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x raised to the power ofz=y

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y raised to the power ofz=x

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Solution

The correct option is B
z raised to the power of y=x

From the definition of logarithm itself, $y = l o g_{z} x$ implies $z^{y} = x$ .
$l o g_{3} 81 = 4 \Leftrightarrow 3^{4} = 81$ .

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The relation between x, y and z where x = 81, y = 4 and z = 3 written in the exponential form is :

81

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Question 81 (a)

Express each of the following in single exponential form.
$2^{3} \times 3^{3}$

\frac{16}{81}

\frac{343}{1331}

4^{3}

4^{- 2}

16^{2}

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