HE Elsa measured the length of a notebook to be 33
cm. The actual length of the notebook is 21 cm.
Which of these is closest to the percent error for
Elsa's measurement?

And explain how you got it so i can understand future problems : 3

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?