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Strictly to make it easier for the writer to write, and easier for the reader to read and understand.
Examples:
Number of miles in a light-year: 5.87 x 1012miles, or 5,870,000,000,000 miles
Speed of light in a vacuum: 3 x 1010 cm/sec, or 30,000,000,000 cm/sec
Frequency of radio waves in your microwave oven: 2.45 x 109 Hz, or 2,450,000,000 Hz.
Mass of an electron: 9.109 x 10-31 Kg, or 0.0000000000000000000000000000009109 Kg
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The first number when writing 4 000 000 in scientific notation?
4,000,000 in Scientific Notation = 4 x 106
How are number that expressed in scientific notation?
Scientific notation - is simply 'shortening' a number - and raising it to a power. For example - instead of writing 10,000,000,000,000,000,000 - the scientific notation equivalent would be 1019 - which saves a lot of space !
How is the number 237 written in scientific notation?
2.37 X 102 ============as you see for numbers this small scientific notation is more inconvenient than just writing the number in standard notation
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 is the difference between a number in scientific notation and one in standard form?
there is just an easier way of writing a large number in scientific notation by placing times 10 then a negative or positive exponent compared to a large number
