Answer:
yes.
Step-by-step explanation:
write these ratios as fractions to see if they are proportional
3/4
9/12 -------> this can be simplified by dividing by 3
= 3/4
therefore yes they are equivalent
The length of the molecule is
in scientific notation.
Data;
- Width of molecule = 3*10^-6 cm
- Number of molecules = 225
<h3>Length of the molecule</h3>
This can be calculated as the total length of the 225 molecules added together. To do this, we simply multiply both the numbers of the molecules by the width of the molecule.
This becomes;

The length of the molecule is
in scientific notation.
Learn more on scientific notation here;
brainly.com/question/5756316
brainly.com/question/1712028
The correct simplification of the expression is 9c^2 i think.
I think the answer is (d) appraisal fee. Hope this helps!