Answer:
n=21
[tex](8 ^{3} ) ^{7} = 8 ^{n} \\ 8 ^{3 \times 7} = {8}^{n} \\ {8}^{21} = {8}^{n} \\ 21 = n \\ n = 21[/tex]
Answer:n-\frac{7}{8}=\frac{3}{5}
Step-by-step explanation:
