Answer:
16 rounded to the nearest 10 is 20
21 rounded to the nearest 10 is 20
so I don't really know but I guess you should put the x as 20 for sure UwU
Answer:
19
Step-by-step explanation:
I think im wrong but give it a try
Times the ones in () which becomes 120 * 224 = 0.535
i have explained through pictures