3 will be the base. How many times does 3 multiply to itself? <span>3 x 3 x 3 x 3 x 3 5 times. The power will be 5. </span> <span>and this can be said as Three to the power of five.
</span> = <span>3 x 3 x 3 x 3 x 3 = 243 </span><span> = 243</span>
From O(7,4), when you move a point 4 units left, abscissa decreases by 4,i.e it becomes 3 and when you move a point 3 units up, ordinate increases by 3,i.e it becomes 7.