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The radius of the earth's orbit is 45,000,000 meters. What is the number in scientific notation?

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Apologiabiologyidn
scientific notation is always written as a number more than 0 but less than 10,( exg 4.5, 3.5, but not 12 or 84) times a 10 to the somthing power

so
45,000,000
we have to move the decimal place 7 places to the left to make the number less than 10 and more than 0 so
4.5 times 10000000 or
4.5 times 10^7
or on online program 4.5e+07

Answer:  The radius of the earth's orbit is 45,000,000 meters. What is the number in scientific notation? A) 4.5 x 10-7 B) 4.5 x 107 C) 45 x 10-6 D) 45 x 106

Step-by-step explanation: Explanation: The correct answer is 4.5 x 107. A number between 1 and 10 is needed so you have to move the decimal 7 places which becomes the exponent for 10. So then you have  4.5 x 107

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