Answer:
the percent error is 10%
Explanation:
Given that
The estimate value of the marbles is 60
And, the actual amount is 54 marbles
We need to find out the percent error
As we know that
Percent error = (Estimated - actual) ÷ (Estimated) × 100
= (60 - 54) ÷ 60 × 100
= 10%
Hence, the percent error is 10%
We simply applied the above formula