Select the number of the punctuation error.
The members of the mountain climbing club were preparing to
scale the forty1 foot cliff, camp overnight on the summit, and
then return to the base 4 camp by way of the mountain trail.
Select the correct answer.
Done

Fix:   forty foot cliff  >>>>   40-foot  (or 40-ft.)  cliff

Yes, the hyphen is a must here.

Explanation:

gandhi's the story of my experiments with truth puts us in the first person. this allows us to really understand the characters and feel like we are living within the story. if it was in third person we may have felt as if we were just watching the story unfold. since it is in first person it allows us the opportunity to feel as if we really are a part of the story.

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."