write the complex number in standard form 5i^2013

Question

stander form is a+bi a and b being real numbers

Answer 1

i⁴ = 1

i²⁰¹² = (i⁴)⁵⁰³ = 1⁵⁰³ = 1

5 i²⁰¹³ = 5 i²⁰¹²*i = 5 * 1 * i = 5i = 0 + 5i

Answer 2

5i^2013=5i^2012*i^1=-5*i, the standard form should be: 0+(-5)*i.