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Use a calculator to write a four-decimal-place approximation of the number (round to four decimal places as needed)

Use a calculator to write a four-decimal-place approximation for the number (round to four decimal places as needed.)
 
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Arthur D. | Effective Mathematics TutorEffective Mathematics Tutor
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5^(1/4)=[5^(1/2)]^(1/2)
first 5^(1/2)=square root of 5
using a calculator we have 2.236067
now we want (2.236067)^(1/2)
(2.236067)^(1/2)=square root of (2.236067)
using a calculator we have 1.4953484
the answer to four decimal places is 1.4953
check:(1.4953)^4=4.999347(approx. 5)(don't forget we rounded off !)