Question

which is the exact value of the expression

Answer 1

\[\sqrt{32}-\sqrt{50}+\sqrt{128}\]

Answer 2

\[\sqrt{2^4\cdot2}-\sqrt{5^2\cdot2}+\sqrt{2^6\cdot2}=\\
=2^2\sqrt{2}-5\sqrt{2}+2^3\sqrt{2}=7\sqrt{2}\]

Answer 3

9.899494937

Answer 4

thnx