120k views
2 votes
0.30+0.31+0.32+0.33+...0.49+0.50

2 Answers

5 votes

Answer:

8.4

Explanation:

User Robert Long
by
7.9k points
4 votes
you can use gauss's method

n(first number + last number)/2 where n is the number of integers in this case 21 ()

21(0.30 + 0.50)/2

21*0.8/2

21*0.4

8.4
User MadhaviJ
by
7.3k points