You write 3 x 3 x 3... etc., making sure the number 3 appears 9 times as a factor.
39
"Three times ten to the ninth" or "three billion".
Three hundred and ninety-ninth
5 to the ninth power is 59. 5 to the ninth means 5x5x5x5x5x5x5x5x5. Thats 1 953 125
Ninth
Three to the third power equals three times three times three equals twenty-seven. 3^3 = 3 x 3 x 3 = 27
No
4.9 x 10 (to the ninth power) That is scientific notation.
4 to the second power
you write 10 and a little 9 above the left of the ten
5.9 then a small nine hovering beside the 9 (5.9 to the ninth power)
bob saget