Answer:
IBM Automatic Sequence Controlled Calculator (ASCC)
Answer:
200 nm
Explanation:
We need a constructive interference to see the bright reflection
we know that
where m=1 and
is the wavelength of the gasoline
so 
putting the value of m and
in thickness equation

so the thickness of the film will be 200 nm
Answer: Codeacademy. One of the most popular free places to learn coding is Codeacademy.
Explanation:
I think the answer is
3 - Usually, but we may need to convert the data types (date to text)
Because we can change the format, but depends of the original format type and in what type you need to format.
I think this can help.