Chapter 1: Factors and Multiples - Square, Cube & Roots

(1) 12
(2) 72
(3) 35
(4) 81.36 or 81 9/25
(5) 0.2525 or 101/400
(6) 0.0071 or 71/10000
(7) 50 65/72
(8) 2 47/98
(9) 5
(10) 2/5
(11) 4/9
(12) 4/5
(13) 1/5
(14) 7/9
(15) 5
(16) 81