FYI - 14,15,16 are correct.
17. a) 7 (nearest integer), b) 6.8 (nearest tenth)
18. a) 14 (nearest integer), b) 13.8 (nearest tenth)
19. [tex]\sqrt{40}[/tex] --> simplified to = 2[tex]\sqrt{10}[/tex]
-- let me know if you have any questions regarding this.
