60.4k views
3 votes
What is 12.3 + 4.7 estimate sum and difference

User Ximmyxiao
by
5.7k points

2 Answers

4 votes

sum estimate- 17

diffrence estimate- 7

Explanation:

The rule is "under 5 stays the same, over five change the number"

User RelativeGames
by
6.3k points
3 votes

Answer:

sum: 17

difference: 7.6

Explanation:

User Vasil Remeniuk
by
5.8k points