Question

Cynthia rounds a number, x, to one decimal point.

The result is 6.3

Write down the error interval for x.

Answer 1

[6.26,6.29]U[6.31,6.34

Explanation:

6.26

6.27

6.28

6.29

6.31

6.32

6.33

6.34

So in interval form [6.26,6.29]U[6.31,6.34]