code: public static ScientificNumberFormatter getMarkupInstance(
               ULocale locale,
               String beginMarkup,
               String endMarkup) {
           return getInstanceForLocale(
                   locale, new MarkupStyle(beginMarkup, endMarkup));
       }
docs: Gets a ScientificNumberFormatter instance that uses
  markup for exponents for this locale.
  @param locale The locale
  @param beginMarkup the markup to start superscript e.g {@code <sup>}
  @param endMarkup the markup to end superscript e.g {@code </sup>}
  @return The ScientificNumberFormatter instance.