Answer
$\frac{a}{\lambda}=3.32$
Work Step by Step
We know that:
$a sin(\theta)=m\lambda$
This can be rearranged as:
$\frac{a}{\lambda}=\frac{m}{sin({\theta})}$
We plug in the known values to obtain:
$\frac{a}{\lambda}=\frac{2}{sin(37^{\circ})}=3.32$
