Question

https://media.education2020.com/evresources/882-11-05-00-00-rat_files/i0210000.jpg

Answer 1

write in exponential form

Answer 2

Rules you need to know:\[\sqrt[a]{x^b}=x^{\frac{b}{a}}\\~\\\dfrac{1}{x^n} = x^{-n}\]

Answer 3

i got \[\frac{ 8 }{ x ^{-1/7} }\]

Answer 4

\[{8\over \sqrt[7]{x^{15}}} \]\[={8\over x^{15/7}} \]\[=\large\color{green}{8\cdot x^{-15/7}} \]

Answer 5

thank you!