Question

2

=
1.2
2+4
=
6
2.3
2+4+6
=
12
3.4
2+4+6+8
=
20
4.5
2+4+6+8 + 10
= 30
5.6
8.
Look at the table. Make a conjecture about the sum of the first 20 positive even numbers.
2
=

Answer 1

add 8

Explanation:

then divide it by the sqrt of 5