Let the missing factor be x
[tex]6^{-3} = x \times 6^8[/tex]
[tex]x = 6^{-3} \div 6^8[/tex]
[tex]x = 6^{-3 - 8}[/tex]
[tex]x = 6^{-11}[/tex]
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Answer: The missing factor is 6⁻¹¹
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