answersLogoWhite

0

By using the formula for an arithmetic series. This is basically obtained by reasoning: The sum of the first 25 numbers is the same as 25 multiplied by the average of those numbers; the average in this case is simply (1 + 25) / 2.

User Avatar

Wiki User

10y ago

What else can I help you with?

Related Questions

How do you get 75 by adding up numbers beside each other?

You get 75 by adding 37 and 38.


math?

it have to deal with money cents percent dividing adding and other things


What do you have to do first before adding and subtracting mixed numbers?

look at the denominator see if it is the same as the other denominator or see if it is the same number at the bottom of each number.


What is the answer to 6-⁴?

+


What is adding mixed number?

a mixed number is a whole number with a fraction, ie. 2 3/4 Adding mixed numbers involves adding the whole numbers, then adding the fractions, then reducing the fraction and if it is improper, changing it to a whole number with a fraction and adding that whole number to the other whole number answer.


What is a 9 figure sum?

Nine figures simply means a number that is written with nine digits, such as 100,000,000. If it was arrived at by adding up other numbers, then it is a sum. For example, 50,000,000 + 50,000,000 = 100,000,000


How to get the sum of the first 100 even numbers?

10100, not sure how you do it other than the incredibly long way of adding every single number but I'm pretty sure thats the answer


What quality do all prime numbers have in common with primary colors?

Prime numbers cannot be made up from multiplying other numbers. Primary colours cannot be made up from adding other colours.


What it means for two numbers to be relatively prime?

It means that the numbers share no common factor other than 1.


What are some other perfect numbers?

Other than what? The first perfect numbers are 6 and 28.


What does the squiggly line mean when it starts at zero on a graph?

it means that from zero to the first number next to the graph is not in the same order as the other numbers. for example it might me 0,10,15,20,25. there will be a squiggly line after 0 because 0+5 is not 10 and the pattern here is adding 5 each time. hope this helps:)


What does assocative property mean?

It means that you can move the numbers around. The numbers "Associate" with each other.