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Evaluate 4.54+.53.53+.5.5.5

 Jul 22, 2020
 #1
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Here is my attempt:

 

[-25 * -16 * -9 * -4 *-1 *- 1] =14,400

 Jul 23, 2020
 #2
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How about you tell me what    7.2     is and why?

 Jul 23, 2020
 #3
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Isn't that-8?

 Jul 23, 2020
 #4
avatar+118696 
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Yes it is so

I do not like this question much but I think this is what is meant.

 

-5*5     *      -4*4       .....      -1*1

-25      *         -16    *   (by extension)   -9*-4*-1     =    - 25*16*9*4*1  =   -14400

 

If you had looked properly at guest's answer maybe you could have found their little error.   wink

Melody  Jul 23, 2020
 #5
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Thanks Melody!

 Jul 23, 2020

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