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Simplify and answer in scientific notation: (0.00777 x 4.5)/270000

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kristenmarieb... | Student, Grade 10 | (Level 1) Valedictorian

Posted March 31, 2013 at 3:35 AM via web

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Simplify and answer in scientific notation: (0.00777 x 4.5)/270000

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted March 31, 2013 at 3:47 AM (Answer #1)

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The result of `(0.00777*4.5)/270000` has to be determined and the result written in scientific notation.

`(0.00777*4.5)/270000`

= `(7.77*10^-3*4.5)/(2.7*10^5)`

= `(7.77*10^-3*10^-5*4.5)/(2.7*10^5)`

= `1.295*10^-7`

The required result is `1.295*10^-7`

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Jyotsana | Student, Grade 10 | (Level 1) Valedictorian

Posted July 29, 2014 at 10:53 PM (Answer #2)

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(0.00777*4.5)/270000    First do the multiplication 

0.034965/270000

1.295*10^-7

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