Ask a New Question

Question

1-2-3-4+...+1997-1998+1999-2000=
A) -2000
B) -1000
C) -1
D) 0
10 years ago

Answers

Reiny
I think you have a typo and meant

1 - 2 + 3 - 4 + ... + 1997 - 1998 + 1999 - 2000
(all odds are positive and all evens are negative)

take them in pairs:
1-2 = -1
3-4 = -1
5-6 = -1
..
1999-2000=-1
so you have 1000 of these pairs, and the sum is -1000
10 years ago

Related Questions

During 1998-1999 Little League season, the Tigers played 52 games. They won 12 more games than they... 1997, a survey of 940 house holds showed that 15 of them use e-mail. Use those sample results to te... Ely, E. (1997, April). The non-traditional student. Paper presented at the American Association of C... 1997^913 when it is divided by 10 what is the remainder??? In 1997, the U.S. population was approximately 266,572,000 people. At the rate of 440 prisoners per... In 1997 the population of a small town was 700. If the annual rate of increase is about 0.8%, which... 1+2+3+4+....+1997+1998+1999+2000 i was born in 1997 and i had my baby in 2021. how old was i in 2023 Who was the director of 1997 lion king disney film What happened between 1997 and 2003 in the Democratic Republic of the Congo? Question 4 options:...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use