Erin had to find the product of 2^2007 and 5^2000 and then calculate the sum of the digits of the answer. Erin arrived at an answer of 11.Is she correct? Show ALL the calculations to motivate your...

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Posted on

 Yes ,she is correct because






`1+2+8+0+0+.........+0 =11` 

(0+0+0+...+0 ,2000  times)

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