Answer:
Step-by-step explanation:
Let y represent students in the class
55% of y = 78
0.55y= 78
y = 142
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:
• point C
Step-by-step explanation:
______________
There is no simpler ratio then 1:4. So the answer is 1:4.
Answer:
the last one :)
Step-by-step explanation: