Question

Roger has a nail that is 12 centimeters long. He measures and records the length of the nail as 15 centimeters. What is the percent error in Roger's measurement?

Answer 1

percentage error is based on the correct measurement 

it  = (15-12) * 100
       ---------               =     (3 * 100 )/ 12 =  25 %
           12

Answer 2

Answer:

D.) 25%

Step-by-step explanation:

(15-12)   *100

---------             =  (3*100)/12=25%

   12