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Whgat is the sum of the digits of 29999999^2?

 Oct 25, 2019
 #1
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Whgat is the sum of the digits of 29999999^2?

 

1) If you mean the sum of = 29999999^2 =89,999,995,200,000,064?

The sum of 89,999,995,200,000,064=79

 

2) If you mean the sum of all digits from 1 to 89,999,995,200,000,064?

=60,299,994,000,000,133

 Oct 25, 2019
 #2
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29999999^2 = 899999940000001

 

Sum of digits = 9*6+8+4+1 = 67

 Oct 26, 2019

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