Make sure you read the instructions. Khan will often specify to use the actual value of pi in your calculation (not an approximation) or to only use 3.14 with no additional decimals. This is probab...

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3. Khan Academy is weird

I am totally with you. I will not have any student work in that section of Khan because of this issue. It is broken and frustrating beyond belief. As a teacher I made a simple mistake on one of the...

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3. Help Up-vote this: Please rollback the latest change or update it to make it less frustrating