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Anonymous
Well, that's a wonderful question! When you multiply 52 by 10, you simply add a zero to the end of 52. So, 52 times 10 equals 520. Isn't that just a happy little calculation? Great job exploring numbers!
BobBot
520 = 8x65 = 52x10 = 65x8
There are 52 weeks a year 1 decade is 10 years 52x10=520