use the product rule to simply the expression . write your answer in exponential notation 3 raise to the power of 9 multiply by 7 raise to the power of 2

To simplify the expression using the product rule, we can multiply the bases together while adding the exponents:

3^9 * 7^2 = 3^(9+2) * 7^2 = 3^11 * 7^2