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What is 0.0015 in scientific notation?
1.5 × 10-3
Why scientific notation useful to scientists?
Scientific notation produces convenient numbers when working with very small or very large quantities.
How scientific notation is useful in measuring mass of an atom?
so that we can easy to know the measuring mass of an atom
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.
What your advantages of using scientific notation?
Writing large or very small numbers in scientific notation helps prevent simple mistakes. For example, in physics or chemistry, the number of basic particles in one mole of a substance is Avogadro's number, which is 602214129000000000000000 or 6.02214129*1023 in scientific notation. In the expanded form it would be quite easy to miscount the number of zeros.
