5,000 tens = (5,000 x 10)
To find out how many thousands are in it,
just divide:
(5,000 x 10) / (1,000) = (5 x 10) = 50 of them .
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Rewrite 

[ Step Two ] Apply perfect square formula
Note: Perfect Square Formula: 


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The answer should be 6 meters.