Activity i Identify the properties used in the given statement in the box below 10+2+3-9.12 +3 6 5 +1-5-0 2 5 10 7. 9x1 = 9 3 707 8.15+5 - 20 6*14*) - ( 64)** 9.4 +6+6+4 5. 1000 0-0 10.2 x (7 + r) - (2 x 7) + (2x)​