Answer:
The magnitude of the number is of 26.
Explanation:
Magnitude of a complex number:
A complex number has the following format: a + bi
In which a is the real coefficient and b is the imaginary coefficient.
The magnitude of the number is:

What is the magnitude of -10 + 24i?
For this number, a = -10, b = 24. So

The magnitude of the number is of 26.