Three squared is equal to three times three, three multiplied by itself twice, thats equal to nine, three to the third power is equal to three times three time three, or it can be viewed as as three squared times three, so it would be nine, three times three is nine, nine times three is equal to twenty seven, three to the fourth is equal to three times three times three times three, three times three is nine three times three is nine, so it's going to be the same thing as nine times nine so it's going to be equal to eighty one.