Question

use the sum function to set a4 to the sum of a1:a3.
the table has columns a - f and rows 1 - 10. a1: 282, a2: 997, a3: 20, a4 - a10 are empty. there are check and next buttons at the bottom.

Explanation:

Step1: Enter SUM function in A4

$\text{=SUM(A1:A3)}$

Step2: Calculate the total

$282 + 997 + 20 = 1299$

Answer:

In cell A4, enter the formula $\text{=SUM(A1:A3)}$, which results in 1299.