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a) 1 trillion means 1 000 000 000 000. Write this number in scientific notation.


b) Write one million in scientific notation.

 Sep 25, 2020
edited by parpar1  Sep 25, 2020
 #1
avatar+9041 
+1

To get a number into scientific notation, we want to write it in such a way that the decimal point immediately follows the most significant digit.

 

In other words, we want to move the decimal point all the way up to right before the most significant (leftmost) digit.

 

Notice that

 

4.5  *  10   =   45

 

So  45  could be expressed as  4.5 * 10

 

Also...

 

3.25 * 10 * 10   =   325

 

So  325  could be expressed as  3.25  *  102

 

In the same way.....

 

1 trillion   =   1 000 000 000 000     =     1  *  1012

 

1 million   =   1 000 000   =   1 * 10?

 

Can you fill in the blank?  smiley

 Sep 25, 2020
edited by hectictar  Sep 25, 2020
 #2
avatar+141 
+1

1 million   =   1 000 000   =   1 * 10^6

 Sep 25, 2020

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