What is the correct way to write 9 x 9 x 9 in exponential form?

How many grams are in 8 kilograms? if 100 grams = 1 kilogram

So me with this math problem. find the value of x the table shows the masses of 50 eggs. mass: 40-44 eggs: 6 mass: 45-49 eggs: x mass: 50-54 eggs: 12 mass: 55-59 eggs: 10 mass: 60-64 eggs: 7 mass: 65-69 eggs: 2 you!

If you answer right ill give brainliest, : )