Question 129108
rewrite the expression in lowest terms with the radical in the numerator. the first one is 6 over a line with a what looks like a division sign with a ten under it 
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6/sqrt(10)
Multiply numerator and denominator by sqrt(10) to get:
8sqrt(10)/10
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Reduce the fraction to get:
4sqrt(10)/5
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Rewrite as follows:
(4/5)sqrt(10)
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Cheers,
Stan H.