An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

i use my brain for prombles like this maybe you could try it

step-by-step explanation:

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°

or