Calc worksheets are given …………… extension.

1. .odf
2. [= sign]
3. .ods
4. .odw

Cell address A4 in a formula means it is a :

1. Mixed cell reference
2. Absolute cell reference
3. Relative cell reference
4. None of the above

Cell address $A4 in a formula means it is a :

1. Mixed cell reference
2. Absolute cell reference
3. Relative cell reference
4. All the above.

Cell address A$4 in a formula means it is a :

1. Mixed cell reference
2. Absolute cell reference
3. Relative cell reference
4. None of the above