Which of the following is an incorrect normalized binary scientific notation?

Which of the following is an incorrect normalized binary scientific notation?

$0\mathrm{.}11136$x$2-12($base$-2)$

$0\mathrm{.}10111$x$25($base$-2)$

$4\mathrm{.}234$x$10-6($base$-10)$

$0\mathrm{.}31416$x$102($base$-10)$