### Home > AC > Chapter 11 > Lesson 11.1.1 > Problem 11-11

11-11.

Using your knowledge of exponents, rewrite each expression below so that there are no negative exponents or parentheses remaining. Homework Help ✎

(

*s*^{4}*tu*^{2})(*s*^{7}*t*^{−1})(3

*w*^{−2})^{4}*m*^{−3}

Think about making ones and where any left over factors would remain.

How many factors of *s* are multiplied?

How many of *t*?

How many of *u*?

*s*^{11}*u*^{2}

Write 3w^{−2} multiplied four times then follow the same pattern as seen in part (b).

Move the exponent and its base into the denominator

of a fraction to make the exponent positive.