### Home > MC2 > Chapter 10 > Lesson 10.2.4 > Problem 10-122

10-122.

Since the 3*x* is in parentheses, the 4 in the exponent applies to both the 3 and the *x*.

81*x*^{4}*x*^{3}

81*x*^{(4 + 3)}

81*x*^{7}

(2^{(4 − 3)}) · (3^{(1 − 2)})

2^{1}(3^{−1})

See (a) and (b).