please answer asap! i need this as fast as possible

Answer:
Is 6.34 an option?
Step-by-step explanation:
If we are using PEMDAS, then we should solve the problems in the parentheses first ( (8-10), (-30-10), and 6 + 4 ), then multiply, ( 0.8(-1.6) ), then divide, ( 100/-40 and -1.6/10), and finally add to get the total.