Correct answer only ! what is the sum of the first eight terms of the series? (−800)+(−200)+(−50)+(−12.5)+ round the answer to two decimal places.

(C) -1066.65

Step-by-step explanation:

Given the sequence {-800, -200, --50, -12.5, ... , a₈} we know the following

Input the information above into the Sum formula:

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.