Question

If x × x-3 = 324, find x

Answer 1

Answer:

1/18

Step-by-step explanation:

$x \times {x}^{ - 3} = 324$

${x}^{ - 2} = 324$

$\frac{1}{ {x}^{2} } = 324$

${x}^{2} = \frac{1}{324}$

$x = \sqrt{ \frac{1}{324} }$

$x = \frac{1}{18}$

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