Multiplying Radicals

Find the products. Simplify answers.

1. $\sqrt{2}\times \sqrt{20}=$
2. $\sqrt{8}\times \sqrt{3}=$
3. $\sqrt{35}\times \sqrt{5}=$
4. $\sqrt{4}\times \sqrt{56}=$
5. $\sqrt{64}\times \sqrt{8}=$
6. $\sqrt{18}\times \sqrt{6}=$
7. $\sqrt{49}\times \sqrt{4}=$
8. $\sqrt{5}\times \sqrt{50}=$
9. $\sqrt{9}\times \sqrt{28}=$
10. $\sqrt{63}\times \sqrt{7}=$
11. $\sqrt{5}(2+\sqrt{3})=$
12. $\sqrt{2}(4\sqrt{2}-7)=$
13. $\sqrt{3}(\sqrt{6}+1)=$
14. $\sqrt{6}(2+3\sqrt{3})=$
15. $\sqrt{7}(7-\sqrt{2})=$
16. $\sqrt{2}(10-10\sqrt{3})=$
17. $\sqrt{5}(6\sqrt{6}+\sqrt{2})=$
18. $\sqrt{7}(\sqrt{7}-2\sqrt{5})=$
19. $\sqrt{2}(4\sqrt{2}-\sqrt{3})=$
20. $\sqrt{3}(\sqrt{6}+2\sqrt{2})=$