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In converting numbers into scientific notation, first you should move the decimal point such that there would be one significant figure to the left of the decimal point.
Examples:
299792458 -> 2.99792458
0.0000000000667428 -> 6.67428
Then, count the number of times you moved the decimal point. Note the direction of movement.
Examples:
299792458 -> 2.99792458 (8 digits to the left)
0.0000000000667428 -> 6.67428 (11 digits to the right)
Lastly, express the number as a product of the modulus (the number with the decimal point moved) and a power of ten.
Examples:
299792458 -> 2.99792458 x 108 (If the decimal point was moved to the left, the power is positive)
0.0000000000667428 -> 6.67428 x 10-11 (If the decimal point was moved to the right, the power is negative)
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What are the rules writing of scientific notation?
In scientific notation all numbers are written in the form: a*10b where a is a decimal number such that 1 ≤ a < 10 and b is an integer.
What are the rules when expressing a long mathematical expression to scientific notation form?
Scientific notation is of little use for long mathematical expressions. It is used to express very large or very small numbers - not expressions.
What is the scientific notation plus and - rules?
20,000 + 3,400,000
What rules do we use to convert standard to scientific notation?
Standard notation (in the UK) is the same as scientific notation. So the one rule to use is DO NOTHING!
How to write the rules in writing standard notation to scientific notation?
I don't know what you mean "how to write the rules." In the US, "standard" notation means "long form", i.e. 6,000,000, while "scientific" notation means the exponential form, 6x106. I had thought it was the same in the UK, but Mehtamatics says otherwise: "Standard notation and scientific notation are the same in terms of UK usage of these phrases."
