The $2021^{}\text{st}$ digit to the right of the decimal point in the decimal expansion of $\dfrac{5}{37}$ is~\uline{~~~~~~~~~~}~. 
Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Basic Understanding of Decimals
$$\frac{5}{37}=0.\overline{135}$$, it is a decimal which repeats in cycles of $3$ digits. $2021\div 3=673$$R2$, so the $2021$$^{st}$ digit is $3$. 