Applying the different laws of exponents, how to simplify #(16^(1/2))^4# ?

1 Answer
Sep 18, 2017

#256#

Explanation:

#"using the "color(blue)"laws of exponents"#

#•color(white)(x)(a^m)^n=a^((mxxn))#

#•color(white)(x)a^(m/n)=(root(n)(a))^m#

#rArr(16^(1/2))^4=16^((1/2xx4))=16^2=256#

#color(blue)"OR"#

#(16^(1/2))^4=(sqrt(16))^4=4^4=256#