1296/625=r^4 wat r =?
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Originally Posted by nick_c 1296/625=r^4 wat r =? Take the fourth root of both sides
the problem is i dont know how 2 find the 4th root
Originally Posted by nick_c the problem is i dont know how 2 find the 4th root Your calculator should have a power button where you can put in 0.25 or a nth root button where you can take the 4th root. Google also has a calculator: http://www.google.co.uk/search?hl=en...f&oq=]click me it turns out to be a rational 1.2