How can we help?
Harry Songš
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What is a practice task?
One of the moon badges in Khan Academy says: Finish 5 practice tasks in a week. I don't know how to find practice tasks. Please help!
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Why do others have badges that don't show up in my account?
Ā I answered 42 answers correctly and fast, I didn't got the "sub-light speed". When I searched for the badge in my account, I can't find the badge. Please help.
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Total activity 13
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Last activity
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Member since
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Following 0 users
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Followed by 0 users
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Votes 7
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Subscriptions 2