Answer:
20
Step-by-step explanation:
75% of 20 = 15
I believe this is correct and hope it helps :)
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
Answer:
197
Step-by-step explanation:
Divide 1640 by 25
1640/25=65
Then multiply 65 and 3
65x3=197
13,61,25,19,41
:) hope i could help :)