Question

Write the following in the exponential form

(a) $\frac{16}{81}$

(b) $\frac{343}{1331}$

Answer 1

we know that

$2^4=16$ $3^4=81$ $7^3=343$ ${11}^3=1331$

now,

(a) $\frac{16}{81}=(\frac{2}{3}{)}^4$

(b) $\frac{343}{1331}=(\frac{7}{11}{)}^3$