How many decimal places?
For most numerical problems, WebWorK counts an answer within .01 percent of the right answer as correct. So, if the right answer is 12345, anything between 12343.765 and 12346.235 counts as correct. If the correct answer is smaller, π /2 for example, an answer would need to be within about 0.0001570796 of π /2 to be considered correct.
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