Question

please answer these 5 easy questions and please give me correct answers :( i really need this. 12-16 please <3

Answer 1

12. 500=2^2 * 5^3
13. 7-2*9=-11
14. 225-5*16+5=230-80=150
15. |1/3 * (8-20)|= 4
16. 3/2* ( 64-4*9)= 3/2*28=3*14=42

Answer 2

?is this math or what