1:A
2:E
3:C
4:0.5840
5:0.6945
6:0.4911
7:D
8:G
9:0.4375
10:0.5203
#1) 0.77955f = 343
Divide both sides by 0.77955:
0.77955f/0.77955 = 343/0.77955
f = 439.997 ≈ 440. This is for A.
#2) 0.52028f = 343
Divide both sides by 0.52028, and you get f = 659.260. This is for E.
#3) 0.65552f = 343
Divide both sides by 0.65552, and you get f = 523.25. This is for C.
#4) 587.33λ = 343
Divide both sides by 587.33 and you get λ = 0.583999 ≈ 0.5840.
#5) 493.88λ = 343
Divide both sides by 493.88, and we get λ = 0.6945.
#6) 698.46λ = 343
Divide both sides by 698.46 and you get λ = 0.49108 ≈ 0.4911.
#7) 0.5840f = 343
Divide both sides by 0.5840 and you get f = 587.3288 ≈ 587.33. This is for D.
#8) 0.4375f = 343
Divide both sides by 0.4375 and you get f = 784. which is G.
#9) 783.99λ = 343
Divide both sides by 783.99 and you get λ = 0.4375.
#10) 659.26λ = 343
Divide both sides by 659.26 and you get λ = 0.52028 ≈ 0.5203.
hope this helped <3