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Mathematics 11 Online
OpenStudy (anonymous):

Write the terms of and find the sum.

OpenStudy (anonymous):

\[\sum_{k=1}^{5}10k\]

OpenStudy (kohai):

Do you have any ideas on how to start this?

OpenStudy (anonymous):

no i dont

OpenStudy (kohai):

Ok. I'll help you with the first part. It's easy so you'll catch on

OpenStudy (kohai):

So k value on the bottom is equal to 1. That means that 1 is what you're going to plug into the value of k in the equation. The four on the top means that you're going to go up to four. And a sum means you're going to add

OpenStudy (kohai):

So, for the first part

OpenStudy (kohai):

10k 10(1) + 10(2) ... keep going until you get up to 5, because 5 is on top of the E-thing

OpenStudy (kohai):

Show me that process

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