Answer:
[tex]\sqrt[84]{\frac{6000}{669}}[/tex]= 1.0264598
Step-by-step explanation:
Let x be the number we are looking for.
[tex]669\cdot x^{84}=6000[/tex]
[tex]x^{84}=\frac{6000}{669}[/tex]
[tex]x=\sqrt[84]{\frac{6000}{669}}[/tex]
[tex]x=1.0264598[/tex]