100k views
3 votes
Quick i need help with math problems​

Quick i need help with math problems​-example-1
User Federer
by
5.2k points

1 Answer

2 votes

Explanation:

a). 1 + 3 = 4

1 + 3 + 5 = 9

1 + 3 + 5 + 7 = 16

1 + 3 + 5 + 7 + 9 = 25

b). formula for Sn = n×n or n².

HOPE THIS ANSWER HELPS YOU DEAR! TAKE CARE

User Zilong Li
by
4.9k points