Answer
$a_g=7.6\frac{m}{s^2}$
Work Step by Step
We know that
$a_g=\frac{GM}{R^2}$
We plug in the known values to obtain:
$a_g=\frac{6.67\times 10^{-11}\times 4.1\times 10^{24}}{(6\times 10^6)^2}$
$a_g=7.6\frac{m}{s^2}$
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