Scientific notation is not a puzzle or equation that needs to be "solved". You do not "solve" rational fractions - they are just a way of representing numbers. In the same way, scientific notation is simply one way of representing numbers. It is usually used for very large or very small quantities.
It is: 6.0*10^-6 in scientific notation
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scientific notation
scientific notation is a shorter way to write large number. If you have 30,000in scientific notation it's 3*10^4
It is: 6.0*10^1
Wherever numbers are very large or very small.
In general, you cannot. If the number in scientific notation has not been rounded then express it is normal form and proceed from there.
228.1 = 2.281 x 102
Sometimes. Scientific notation is used to express very small or very large numbers. If the problem does not involve any such numbers then there is no need for scientific notation.
7.19 × 10-4 or 7.19E-4
Multiplying each factor by powers of ten
It would depend on what calculation you are solving.