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Khan Academy: Two billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine…
We celebrated with cake pops in the shape of a big 3, making the day all the sweeter… Today’s an exciting day for us — together we’ve just hit the 3 billionth problem answered on Khan Academy! We asked Sal what he thought of this, and he said, "Personally, I don’t know what all the fuss is about. I’m waiting for us to hit 3 141 592 653 problems solved before I get really excited.” Can you help us get to pi billion?! The rate at which everyone is learning on Khan Academy is astounding: it took less than a year to grow from 2 billion to 3 billion problems answered! Way to go! And just how big is 3 billion, exactly? We did some digging … If you had a measuring tape that was 3 billion inches long, it would wrap around the world twice. If you traveled a mile for every problem that’s been answered, you’d almost be at Pluto. If you went back in time 3 billion minutes, it’d be the 37th century B.C.E.,…