For the given reactions

Sn²⁺ + 2e^$-$ $\to$ Sn

Sn⁴⁺ + 4e^$-$ $\to$ Sn

the electrode potentials are ; $E_{S{n^{2 + }}/Sn}^o = - 0.140$ V and $E_{S{n^{4 + }}/Sn}^o = + 0.010$ V. The magnitude of standard electrode potential for $S{n^{4 + }}/S{n^{2 + }}$ i.e. $E_{S{n^{4 + }}/S{n^{2 + }}}^o$ is _____________ $\times$ 10^$-$2 V. (Nearest integer)