10(3+4)= 30+40
I factored the 10 and put it on the outside
4 what do you think it is 1000000000
<span>We have
</span>

Let's take 6 out from the series

<span>Now multiply and divide by 9
</span>


<span>all 1s add up to n
</span>
Answer:
Sorry i dont know
Step-by-step explanation: