Question

What does ''SUM'' mean in maths classes?

OR...

Do you believe that the earth is 4.5 billion years old according to science, or 6000 billion years old according to bible?

OR...


What is the sum of 80 natural numbers?

ANSWER ANY TWO QUESTIONS.

Answer 1

Ok lemme decide which 2

Ok first 3rd one


First 80 natural no

So
1,2,3,4,.....80
So a = 1
d = 1
n = 80
Sum = 80/2 [ 2*1 +(80-1)1]
sum = 40 [ 2+79]
sum = 40 *81
sum =3240



So no 1
Sum means adding up number
for example 7+8
then there sum will be 15


Now

For an extra One


No 2

I believe in science Dont know abt others



Ok alright ☺☺☺

Answer 2

Answer:

Is the earth 4.5 billion years old or only 6000 years old as the Bible teaches? More importantly, how can we know the age of the earth? ... Science Confirms The Bible .... history has 5,200 years from creation to Christ, according to the Laud and ... Smith and Cuvier believed untold ages were needed for the ...

Explanation: