Given:
Number = -9.1
To find:
The magnitude (size) of given number.
Solution:
We know that, magnitude of a number is the absolute value of that number.
So, magnitude of -9.1 is
![|-9.1|=9.1](https://img.qammunity.org/2021/formulas/mathematics/high-school/d1jgc2hvxw9t7sigq979nhd1losb90owhl.png)
Because, absolute value of a number is always positive.
Magnitude of -9.1 is 9.1 because
.
Therefore, the correct option is A.