Practice Page

Math A

Irrational
Approximations

 

Using your calculator, choose the best answers. 
Remember to use FULL calculator entries and
round only for the final answer. 

1.

 

to the nearest hundredth

Choose:

3.31
3.32
3.317

 

 

2.

 


Which answer at the right would be considered the BEST decimal answer when no rounding location is specified?.

 

Choose:

1.414213562
 1.41
1.42

 

 

3.

 

5.31   + 

  to the nearest tenth

 

Choose:

7.1
7.0
7.05

 

 

4.

 

17  - 4

 to the nearest tenth

 

Choose:

4.5
4.3
4.4

 

 

5.

 

- 2

 to the nearest hundredth

Choose:

-1.09
-1.10
-1.1

 

 

6.

 

 

to the nearest hundredth

 

Choose:

1.64
1.649
1.65

 

 


Lloyd