Simplify Each of the Following $\left(\frac{2}{5}\right)^{2}-\left(\frac{2}{5}-\frac{3}{10}\right)$ A) $\frac{7}{50}$ B) $\frac{3}{50}$ C) $\frac{7}{10}$ D) $\frac{1}{10}$

Multiple Choice

Simplify each of the following. Use the order of operations as needed.
- $\left(\frac{2}{5}\right) ^{2}-\left(\frac{2}{5}-\frac{3}{10}\right)$

A) $\frac{7}{50}$
B) $\frac{3}{50}$
C) $\frac{7}{10}$
D) $\frac{1}{10}$