How do u evaluate these problems:
1. (5^-1/2)/2 radical 5
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2. (0.0004)^1/2
1) 0.5
2) 0.02
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2. Rewrite it as a fraction:
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(4/10000)^1/2 then take the square root of the numerator and the denominator. = 2/100 = 1/50.
Technically you could simplify the fraction before you take the square root:
(1/2500)^1/2, now take the square root = 1/50.
(5^-1/2)/2rt(5)
5^-1/2=1/5^1/2
5^1/2=rt(5)
So we have 1/rt(5)/2rt(5)
=1/rt(5) X 1/2rt(5)
=1/2(5)
=1/10
((.0004)^1/2 means rt(.0004)
=rt(4 X 10^-4)
=rt(4)rt(10^-4)
=2 X 10 ^-2
=0.02
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