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You can add scientific notation numbers that have the same exponent. For example
3 x 104 + 5 x 104 = 8 x 104

If they don't have the same exponents, change one to match the other, then add:

5 x 108 + 2 x 107
5 x 108+ 0.2 x 108 = 5.2 x 108

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15y ago

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Related Questions

Is scientific numbers and scientific notation the same?

No. Scientific numbers are constants that appear in science. They may or may not require scientific notation.


What is the disadvantage of using scientific notation?

If you are adding or subtracting two numbers in scientific notation, you must rewrite one of the numbers to the same power of ten as the other, before performing the addition (or subtraction).


What are 2 ways of writing numbers?

standard notation and scientific notation For example: 126,000 is standard notation. 1.26X105 is scientific notation.


What requires scientific notation?

Scientific notation is required for very large or very small numbers.


Express a numbers of scientific notation?

how to express scientific notation to a simle number


What is the express numbers in 0.00000029384 in scientific notation?

It is: 2.9384*10^-7 in scientific notation


How does scientific notation differ from ordinary notations?

Ordinary notation is where the numbers are laid, or written out. Scientific notation is a short handed version with numbers that indicate the amount of zeroes behind the end of the numbers.


Scientific notation for metric units?

Scientific notation is scientific notation - whether it is used for metric units, Imperial units or simply for numbers.


Why is scientific notation useful in economics?

Scientific notation is useful in economics to compute very large or very small numbers.


If the scientific notation stops at centillion why don't the numbers stop too?

Scientific notation doesn't stop at a centillion. 1 centillion in scientific notation is 1 * 10303, but you can also write 1 * 10304 or even 9 * 109999999 in scientific notation. There is no upper limit to the numbers you can write in scientific notation.


Can every decimal be written in scientific notation?

Yes - you can always convert numbers to scientific notation - whether they're whole numbers, or decimals.


What is 36 times 10 to the 3 power plus 15 times 10 to the 2 power?

It's best to convert those numbers from scientific notation to normal notation; that makes it easy to add them. After adding them, you can convert back to scientific notation if you want. Another option is to keep the numbers in scientific notation, but to convert them so that both have the same exponent.