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Math Forum » Discussions » Courses » ap-calculus

Topic: What does "correct" mean?
Replies: 10   Last Post: Oct 2, 1997 9:34 AM

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Lynn Fisher

Posts: 16
Registered: 12/6/04
What does "correct" mean?
Posted: Sep 29, 1997 10:36 PM
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I've been asking this question for a long time, and never could figure out
who to direct it to for a definitive answer, so here's a try:

The AP exam exam asks for answers "correct to 4 (I think) decimal places."

Does this mean to round the answer to nearest ten-thousandth? (And, why
not say it that way?) But, if someone asks for pi correct to 4 decimal
places, the expected answer is 3.1415, which is of course *not* rounded.
Are you with me?

Can any of you AP readers/writers rule on this? Perhaps the readers give
credit whether the answer is correctly rounded or not? Hopefully it's a
trivial issue (that's what I've been assuming for all the years that
calculator-style answers have been a possibility)

Lynn Fisher
Woodstock, Vermont

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