Question

(262.6)^1/2*√262.6/(41.41)^3*(0.081)^4

Answer 1

$262.6^{1/2} *( 262.6^{1/2}/(41.41)^3)*(0.081)^4$

=$(262.6/(41.41)^3)*(0.081)^4$

=$(262.6/(41.41)^3*(0.00004305)$

=$0.003698*0.00004305$

=$0.000000159$

I am not sure the answer is correct or not.
Still you have not replied for my comment i have done the random calculation