help plss Our deadline kasi namin is tommorow

8Answer:
8.638
Step-by-step explanation:
7.168 + 0.94 = 8.1087.168+0.94=8.108
8.108 + 0.53 = 8.6388.108+0.53=8.638
When the teacher wants you to round off to the nearest hundredths:
8.638 = 8.648.638=8.64