Answer: Option 'A' is correct.
Step-by-step explanation:
Since we have given that
Weight of iron pellets given to each student by Laura's science teacher = 25.0 grams.
According to question, each student was required to verify the mass of their pellets by taking four measurements.
We can see that all options are approaching 25 grams.
But Option 'B', 'C', 'D' are the value greater than 25.0 grams.
And 24.99 is just approximately 25.0 grams.
So, the most precise of the four recorded is 24.99 grams.
Hence, Option 'A' is correct.