To estimate the quantity of 0.000027503 of a year, we can look at the options provided:
- 0.00003
- 0.00002
- 0.03
- 0.01
The best estimation would be the one closest to 0.000027503.
Comparing:
- 0.00003 is very close to 0.000027503.
- 0.00002 is farther away.
- 0.03 and 0.01 are much larger than the target value.
Therefore, the best estimation is 0.00003.