How do you find the sum of $Sigma 10$ where k is [1,4]?

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Answer 1 · 2017-10-01T17:35:39

40

Presuming that your problem reads as follows, since this is how you have presented it:

$sum_(k=1)^4 10$

Each value of k will add 10.

Thus...

$sum_(k=1)^4 10 = 40$

How do you find the sum of Sigma 10Sigma 10 where k is [1,4]?