0
You can use the formula for the sum of an arithmetic series to calculate that quickly. (Of course, you can also type the numbers into Excel, and get the sum - but that doesn't scale well - e.g., it won't work well if you are then asked, for instance, to get the sum of the first million even numbers.)
Still curious? Ask our experts.
Chat with our AI personalities
FranI've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with Fran
DevinI've poured enough drinks to know that people don't always want advice—they just want to talk.
Chat with Devin
RafaThere's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
Add your answer:
Earn +20 ptsQ: What is the sum of the fist 40 even numbers?
Write your answer...
Submit
Still have questions?
Continue Learning about Math & Arithmetic
What are three even consecutive numbers whose sum is 120?
The numbers are 38, 40 and 42.
What is sum of first 40 numbers?
The sum of the first 40 whole numbers is 780.
Find the sum of first 20 even numbers. sum?
The sum of the first 20 even numbers... is 110
What is the sum of the first 20 even numbers?
2+4+6+8+10........+40=420
What are two numbers with the sum of 40 and the difference of 10?
The numbers are 25 and 15
Trending Questions
How many vertices does a 7 sided prism have?
How do you write a verbal expression for 3x-4?
What is date of birth 03091999 in roman numerals?
Where are places to find decimals?
6.32 rounded to nearest tenth?
Has Albert Einstein been on a banknote?
What is the probability that the die tossed will land on a number that is smaller than 5?
What equation describes a parabola that opens left or right and whose vertex is at the point h v?
Do indentical twins have the same finger prints at all?
What is the HCF of 120 and 144?
What are multiples of 24 that are less than 100?
How is this possible that impossible is not but yet it is possible?
Cubic inches in 1 gallon?
Six less than n is less than -4?
Is 5 over 6 greater than 1 over 6?
How do you work out 44 is what percent of 132?
What are the sharps and flats in grade 2 major scales?
How is sketching used to help do a 3-D model?
What is the key to an accurate analogy?
What is it called when all the whole numbers than can be divided into exactly a given number?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.