Simplify open parentheses x to the 4 fifths power close parentheses to the 3 sevenths power.

x to the 7 twelfths power
x to the 12 over 35 power
x to the 13 over 35 power
x to the 43 over 35 power

Step-by-step explanation:

Here let us first write our expression

It says, x raise to 4 5th power i.e 4 by 5 , again raise to 3 7th power i.e 3 by 7

or

Now in this we apply the rule of product of exponents . The rule is like this.

Let us apply the rule in our problem

Which is x to the 12 over 35 hence our b option is correct