Answer:
The answer should be 4.12 hours
Step-by-step explanation:
Sorry if I am wrong.
The expression is equivalent to 49/8.
Answer:
The percent of error in the measurement is 2%
Step-by-step explanation:
The percent of error associated with a reported measurement is calculate using the formula;

The error associated with a measurement is defined as half of the smallest unit of measurement used. The measurement reported was 2.5. The smallest unit of measurement for this reading is 0.1. The error is thus;
error = 0.1/2 = 0.05
The percent of error is thus;

11
Because 11x3 is 33
And 11x11 is 121
Hope this answer helped!!