Question

if x is a positive real number and x^2=7, then x^3 = ​

Answer 1

Answer:

x^3 = 8

Step-by-step explanation:

this is the answer

Answer 2

Answer:

Step-by-tion:$x^{2} =7\\x=\sqrt{7}\\\\x^{3}= x*x*x = \sqrt{7} \sqrt{7} \sqrt{7} \\x^{3} = 7\sqrt{7}$