Which of the following is the simplified fraction that's equivalent to 9.315?
a. 9315⁄999
b. 931⁄99
c. 9105⁄333
d. 935⁄111

For this case we must indicate a fraction equivalent to 9,315.

 We evaluate the fractions:

It is observed that the fraction closest to 9,315 is

If we round 9.315 we have 9.32

If we round we have 9.32

Option A

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°

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