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Q: Rules in multiplying or deviding in scientific notation?

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Multiply the mantissas, add the exponents. Normalize the result, if desired.

A positive and a negative give you a negative. Two negatives give you a positive. This is true for multiplication and division.

there are many rules in writing A scientific notation but i don't remember it all im not the one who invented it you know

20,000 + 3,400,000

Do nothing! Standard form and scientific notation are the same.

In scientific notation the answer would be 1.8 multiplied by 109 Hope this helped(:

Standard notation (in the UK) is the same as scientific notation. So the one rule to use is DO NOTHING!

pakita muna ng pekpek mo?

rules in changing/converting the decimal numerals to scientic notation and vice versa

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."

In scientific notation all numbers are written in the form: a*10b where a is a decimal number such that 1 â‰¤ a < 10 and b is an integer.

There are different rules which depend on what you wish to do: add, subtract, multiply, divide, convert into or from scientific notation. The question needs to be more specific.

Refer to the related links below.

- when adding or subtracting in scientific notation, you must express the numbers as the same power of 10. This will often involve changing the decimal place of the coefficient.

1 With addition change the scientific notation back to 'normal numbers' and then add accordingly 2 With subtraction change the scientific back to 'normal numbers' and then subtract accordingly 3 With division subtract the exponents and divide the decimals 4 With multiplication add the exponents and multiply the decimals 5 Note that if changes occur below 1 or greater than 9 in the decimal element of the scientific notation then appropriate adjustments must be made

to convert scientific notation to decimal you count the number of spaces up to the last digit then put the decimal point then put x10 to the power of if how many places you move the decimal point.................................

Scientific notation is of little use for long mathematical expressions. It is used to express very large or very small numbers - not expressions.

If a*b < 10 then (a*10^x)*(b*10^y) = (a*b)*10^(x+y)If a*b > 10 then (a*10^x)*(b*10^y) = (a*b/10)*10^(x+y+1)

this site is not realy good. so just never for this site.

3 significant figures folowed by the 10^* e.g. 345000 written in std notation is 3.45 X 10^5

In general the numeric part should be between 1 and (almost but not quite) 10.

That there be only one digit to the left of the decimal point. (and that the exponent is always a whole number).

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Because it is.

you take the last digit in the first one and add/subtract it to the last digit in the second one and that is your answer