The tenth place is where the 7 is.
0.7
If the number behind it is over 5, we round up. If it isn't, we round down.
0<5
We round down.
2.7 is the answer.
I hope this helps!
~kaikers
Answer:
20 + 0i
Step-by-step explanation:
(10 + 5i) + (10 - 5i) = 20 + 0i
160 adults and 80 students seems to be correct