Answer:
Step-by-step explanation:

Ivan forgot to follow PEMDAS
Division first
12/3 = 4
4 x 2 = 8
8 + 8 = 16
Hope this helps!
Answer:
6.2
Step-by-step explanation:
Hope this helps!
Stay safe, have a good day :D
Four significant is an answer
because if 0 is the extreme right of decimal place it is significant
and if 0 lies between two significant figure than it is significant like 1.020 is 4 sifnificant and 100 is 1 significant figure