**1. What is the difference between a column and a row in a spreadsheet?**

A

columnis a VERTICAL line of cells and arowis a HORIZONTAL line of cells.Columnsare labelled with letters, A, B, C... androwsare labelled with numbers 1, 2, 3,...

**2. How do you do powers or indices on a calculator?**

Some calculators use a x

^{y}button and some use the "^" key similar to the one used on a spreadsheet.

**3. How can you find the average (mean)on a spreadsheet?**

There are two ways:

1. Use a function, =average(A1..A6). This would find the average of the six numbers in the first column.

2. Use a formula =(A1+A2+A3+A4+A5+A6)/6.

Both ways would find the average (mean).