Question

A number x rounded to 2 decimal places is 7.42 write down the error interval for x

Answer 1

Answer:

The interval is x [7.415,7.419].

Step-by-step explanation:

Given : A number x rounded to 2 decimal places is 7.42.

To find : Write down the error interval for x ?

Solution :

Number round to 2 decimal place is lie in the interval of 3 numbers.

The number is 7.42 so the thousandth place is from 5 to 9 and hundredth place is 1.

i.e. 7.415,7.416,7.417,7.418,7.419.

As 7.415 round to 2 decimal place is 7.42.

The interval is x [7.415,7.419].