Question

√28,9.√40.√11\(^2\)−5\(^2\)

Answer 1

\(\sqrt{28.9}\cdot\sqrt{40}\cdot\sqrt{11^2-5^2}\)

\(=\sqrt{289}\cdot\sqrt{4}\cdot4\sqrt{6}\)

\(=17\cdot2\cdot4\sqrt{6}\)

\(=136\sqrt{6}\)