Answer:
Step-by-step explanation:
The magnitude of a real number without regard to its sign.
So magnitude of each of the options is analysed below
A. 0
|0| =0
The magnitude of 0 is 0
B. 7
|7| =7
The magnitude of 7 is 7
C. -10
|-10| = 10
The magnitude of -10 is 10
The magnitude won't have a negative sign as explained in the definition above.
D. 1
|1| =1
The magnitude of 1 is 1
Answer
The one with the greatest value is 10, 10 is the highest value
So the answer is C
