Simplify the following expression.

2[(8-5)^5/9]

First, we simplify the exponent inside the parentheses:

8-5 = 3

Now we simplify the expression inside the brackets:
(3^5/9)

To simplify further, we simplify the exponent:
3^5 = 243

Now we substitute the simplified exponent back into the expression inside the brackets:
(243/9)

Finally, we divide the numerator and denominator:
243 divided by 9 equals 27

Therefore, the simplified expression is:
2(27) = 54

To simplify the expression 2[(8-5)^5/9], we start by simplifying the numerator inside the parentheses:

8 - 5 = 3

Next, we raise 3 to the power of 5:

3^5 = 243

Now, our expression is:

2[243/9]

Next, we simplify the fraction 243/9:

243 ÷ 9 = 27

Our expression now becomes:

2[27]

Finally, we multiply 2 by 27 to get the final answer:

2 × 27 = 54

Therefore, the simplified expression is 54.