Answer:
15
Step-by-step explanation:
Apply absolute rule: | a | = a, a ≥ 0
| 13 | = 13
= 13 + | -2 |
| -2 | = 2
= 13 + 2
= 15
I think the number is 81 but I am not sure hoped that helped sorry that I am not completely positive ):
The answer is going to be A.
For that you need the logarithm table