Integers, SM-Bank 004 Most commercial jet planes gain their cruising altitude of approximately 8000 metres within 10 minutes after take off. Write this height as a directed number. (1 mark) Show Answers Only `\+\8000\ text(metres)` Show Worked Solution `text(Ground level) = 0\ text(metres)` `:. 8000\ text(metres cruising altitude) = \+\8000\ text(metres)`