Evaluate :

(i) 7⁴

(ii) (-5)³

(iii) $\Big(\dfrac{3}{4}\Big)^5$

(iv) $\Big(\dfrac{-5}{2}\Big)^2$

Express each of the following in exponential notation :

(i) $\Big(\dfrac{-7}{13}\Big) \times \Big(\dfrac{-7}{13}\Big) \times \Big(\dfrac{-7}{13}\Big)$

(ii) $\Big(\dfrac{-8}{3}\Big) \times \Big(\dfrac{-8}{3}\Big) \times \Big(\dfrac{-8}{3}\Big) \times \Big(\dfrac{-8}{3}\Big)$

Express each of the following in exponential notation :

(i) $\dfrac{343}{512}$

(ii) $\dfrac{-32}{243}$

(iii) $\dfrac{-1}{128}$

(iv) $\dfrac{729}{64}$

Express each of the following in exponential notation :

(i) $\Big(\dfrac{5}{21}\Big)^3 \times \Big(\dfrac{5}{21}\Big)^8$

(ii) $\Big(\dfrac{-7}{3}\Big)^{11} \times \Big(\dfrac{-7}{3}\Big)^{13}$

(iii) $\Big(\dfrac{13}{43}\Big)^7 ÷ \Big(\dfrac{13}{43}\Big)^2$

(iv) $\Big(\dfrac{-16}{35}\Big)^{16} ÷ \Big(\dfrac{-16}{35}\Big)^3$

(v) $\Big(\dfrac{-7}{15}\Big)^{12} ÷ \Big(\dfrac{-7}{15}\Big)^{15}$

(vi) $\Big(\dfrac{1}{24}\Big)^{13} ÷ \Big(\dfrac{1}{24}\Big)^{16}$