What is the stander form for scientific notation?
The form for scientific notation is a*10b where 1 <= a < 10, and b is an integer (positive or negative).
Is 1 x 10 to the power -1 km correct scientific notation?
Yes, although the one is not necessary. You can just write 10^-1 km
What is scientific notation and what are its practical applications?
Scientific notation is a way of representing numbers, usually very large or very small, in the form a*10^b where 1 <= |a| < 10 is a decimal number and b is an integer (negative or positive). a is called the mantissa and b is called the exponent.
The practical applications are representing large and small numbers is a simple way.
What is 1.2 times ten fifth power decimal notation?
1.2 times ten to the fifth power in decimal notation is 120,000