Step-by-step explanation:
Transcribed image text: Spectra Analysis 7 100 80 60 40 20 150 50 STRUCTURE 60 40 20 0 180 160 140 120 100 8O
The only thing you could really do is reduce the exponent, so id say A. is the answer. Hope i helped :)
Divide 4 on both sides and u= 6.4/4 which the answer is equal to 1.6
I guess that is 1:10
Hope ur help !;(