SOLUTION: is 49sqrt100 a rational expression? HELP. How do I determine rational vs. irrational

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Question 55706: is 49sqrt100 a rational expression?

HELP. How do I determine rational vs. irrational
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
is 49sqrt100 a rational expression
49(sqrt100)= 49(10)=490
=980/2
Since it can be expressed as a fraction (ratio)
it is a ratio nal number.
Irrational cannot be expressed as a ratio of
two integers. For example sqrt2 is irrational.
Cheers,
Stan H.