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A grain of sand has a mass of approximately 6*10 exponent -2 grams. Earth has a mass of Approximately 6*10exponent 28 grams.  

 

How many times the mass of the grain of sand is the mass of earth?

 Apr 6, 2019
 #1
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Earth Mass              6  * 10^28               10^28

__________  =      ____________  =    _______  =   10^(28 - (-2) )  = 10^30   times

Grain Mass              6 *   10^(-2)            10^(-2)

 

 

cool cool  cool

 Apr 6, 2019
 #2
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The mass of grain of sand is 10^-30 times the mass of earth. 

 Apr 6, 2019
edited by Guest  Apr 6, 2019
 #3
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thank you

 Apr 6, 2019

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