# How do you find #abs(-5i)#?

##### 1 Answer

Jun 6, 2016

Apply the definition

#### Explanation:

The *modulus* of a complex number

and is an extension of the absolute value function, which applies to reals. The latter represents the distance from the real number to

Applying this definition to our given complex number, we have:

#=sqrt(0^2+(-5)^2)#

#=sqrt(0+25)#

#=sqrt(25)#

#=5#