(a) 0.8 lies between 0 and 1, and is nearest to 1.
(b) 5.1 lies between 5 and 6, and is nearest to 5.
(c) 2.6 lies between 2 and 3, and is nears to 3.
(d) 6.4 lies between 6 and 7, and is nears to 6.
(e) 9.1 lies between 9 and 10, and is nears to 9.
(f) 4.9 lies between 4 and 5, and is nears to 5.