The value of {(.87)3 + (.13)3 + .87 × .39}0.5 is: Choose the correct choice.
A) 0.6
B) 1
C) 0
D) 3
E) 4
(a^3 + b^3)=(a+b)(a^2-ab+b^2)   so, (a^2-ab+3ab+b^2) ^0.5 , here a+b=1   (0.87+0.13)^2*0.5   =1   ANSWER:1
<result>B</result>
The value of {(.87)3 + (.13)3 + .87 × .39}0.5 is: