Question

12-Calcule
A)$\frac{4}{5} ^{2}$
B)$\frac{-3}{10} ^{2}$

Answer 1

A)$\frac{4}{5} . \frac{4}{5} = \frac{16}{25}$
B) $\frac{-3}{10}. \frac{-3}{10}= \frac{9}{100}$