Question

Find the sum. 48 + 45 + 42+...+(-81) + (-84)

Answer 1

Answer:

-30

Step-by-step explanation:

use a calculator

hope this helped

Answer 2

Answer:

look below

Step-by-step explanation:

i dont know what that +... thing is

but when youre adding the negatives youre really just adding that number so this is just

48+45+42+81+84

45+42 is 87

now we have

48 + 87 + 81 + 84

87 + 81 is 168

48 + 84 is 132

now we have

168 + 132 and that is exactly 300

again dont know what the ... is so cant help you there