The Definition of Imaginary Numbers & the Sum of Numbers Discussion

In the definition of imaginary numbers i2 = -1

1) How can we evaluate i10 ?

2) How can we evaluate i34 ?

3) How can we evaluate i123 ?

4) What is: 5 + i36 + i72

5) What is the general rule to evaluate iN, where Nis any positive number?

Examples of power of i:

i18 = -1

i48 = 1

i103 = -i

i201 = i