Answer
$B=13T$
Work Step by Step
We know that
$B=\frac{\mu_{\circ}ev}{4\pi r^2}$
We plug in the known values to obtain:
$B=\frac{4\pi\times 10^{-7}(1.6\times 10^{-19})(2.2\times 10^6)}{4\pi (5.29\times 10^{-11})}$
$B=13T$
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