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How many times smaller is 2 × 10-7 than 4 × 10-6?
 Dec 4, 2018
 #1
avatar+18458 
+1

This is th same as asking   " how many times does  2 x 10^-7   go in to 4 x 10^-6 ? "

=20 times smaller

 Dec 4, 2018
 #2
avatar+721 
0

\(2\times 10-7=20=13\)

\(4\times 10-6=40-6=34\)

Therefore, it is \(34-13=21\) and \(\frac{21}{13}\) times smaller.

 

You are very welcome!

:P

 Dec 4, 2018

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