$1.$ Enter numbers in the first column from $1$ to $100$ using autofill:$-$ add initial data $($the first $2$ numbers$)-$ select the $2$ cells$-$ place your cursor over the square in the bottom right corner of the cell. When it turns to a cross, drag the square down to the $100$th cell$2.$ Fill Column$2$ using the same approach as you used to fill Column$13.$ Fill Column$3$ using a formula based on the numbers in Column$1$ or Column$2-$ hint: enter a formula in cell D$6$ and copy it down into the $100$ cells below it$4.$ Fill Column$4$ using the $=$RAND function$-$ format this column to $3$ decimal points$5.$ Fill Column$5$ using the $=$RAND function or a formula based on a previous column$6.$ Fill Column$6$ using the $=$RANDBETWEEN function