+0  
 
0
28
1
avatar+168 

A culture of  2.4×10^11 bacteria is in petri dish A. A culture of  8×10^9 bacteria is in petri dish B.

How many times greater is the number of bacteria in petri dish A than petri dish B?

Enter your answer, in standard notation.

hoiuu  Oct 2, 2018
 #1
avatar+89729 
+2

A /  B  = 

 

[2.4 x 10^11 ]  / [ 8 * 10^9 ] =

 

[2.4 / 8 ]  *  [  10^11 / 10^9 ]    =

 

.3 * 10^2   =

 

30  times as great  

 

 

cool cool cool

CPhill  Oct 2, 2018

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