The weight of a rock sample is measured to be 2.5 pounds what is the percent of error in the measurement

i think u have 12 apples sorry again i don't really know if it correct i'm just tryna hrlp people out.

3+x

step-by-step explanation:

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya