Solve for a2 a_2=(2(2))/((2)+7)

$a_{2} = \frac{2 (2)}{(2) + 7}$

Multiply $2$ by $2$ .

$a_{2} = \frac{4}{2 + 7}$

Add $2$ and $7$ .

$a_{2} = \frac{4}{9}$

The result can be shown in multiple forms.

Exact Form:

$a_{2} = \frac{4}{9}$

Decimal Form:

$a_{2} = 0.\overline{4}$