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7. $\\left(-\\frac{3}{5}\ ight)^2=$ $\\frac{9}{25}$ $-\\frac{9}{25}$ $-…

Question

  1. $\left(-\frac{3}{5}\

ight)^2=$
$\frac{9}{25}$
$-\frac{9}{25}$
$-\frac{5}{7}$
$\frac{5}{7}$

Explanation:

Step1: Apply exponent rule

$(-\frac{3}{5})^2=(-\frac{3}{5})\times(-\frac{3}{5})$

Step2: Multiply fractions

$(-\frac{3}{5})\times(-\frac{3}{5})=\frac{(- 3)\times(-3)}{5\times5}=\frac{9}{25}$

Answer:

$\frac{9}{25}$