why is not working? Math.pow in Java [closed]

why is not working? Math.pow in Java [closed]

References

Reference NO 1

http://stackoverflow.com/questions/15191684/why-is-not-working-math-pow-in-java

Reference NO 2

http://stackoverflow.com/questions/13911180/multiplication-vs-operator-vs-math-pow-for-integer-powers

Reference NO 3

http://today.java.net/pub/a/today/2007/11/06/creating-java-me-math-pow-method.html

Reference NO 4

http://www2.raritanval.edu/departments/cis/full-time/Schwarz/CCP/Java/chapter2.htm

Reference NO 5

http://www.ibm.com/developerworks/library/j-math2/index.html

Reference NO 6

http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/lang/Math.java

Reference NO 7

http://docs.oracle.com/javase/7/docs/api/java/lang/Math.html

Reference NO 8

http://uk.answers.yahoo.com/question/index?qid=20120402072102AAXPbuQ