Answer:
2
Step-by-step explanation:
u = 1+i
v = 1-i
u+v = 1+i + 1-i
= 1+1+i-i
= 2
1/3
There is no Thousands place in the number 920
There are only units (0), tens (20) and hundreds (900).
Answer: 11
-4×4= - 16
-16+5= 11