<p>Applicants with all 800s or 770s to 800s, and all 5s are rather common and many of them will be waitlisted or rejected. Despite that, its better to have them than to not. </p>
<p>Engineers are safest with 770 to 800s and 5s in any maths or sciences they take. Engineering ECs are important, as there are many opportunities for competitions – science fairs, etc…</p>