How do you put 28.5 in scientific notation?

Answer 1

Scientific notation requires that the number be written as a decimal number between 1 and 9 followed by a power of 10.

For example:

12345 = 1.2345 x 104

222.333 = 2.22333 x 10-2

and, finally:

28.5 = 2.85 x 10-1