What is 70.0 divided by 100?

0.7

Step-by-step explanation:

Fun fact:

when dividing by any of the '10' numbers (for example 10, 100, 1000, etc.) just count the amount of zeros and move the decimal place that many places to the left.

The same thing works for multiplication, but the decimal moves to the right instead

sorry for WAY too much information xx

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°