### Home > CA > Chapter Ch12 > Lesson 12.1.1 > Problem 12-7

12-7.

Simplify each expression below. Your answer should contain no parentheses and no negative exponents. Homework Help ✎

(25

^{1/2}*x*^{5})(4*x*^{−6})5

*t*^{−3}

Anything to the zero power equals 1.

When multiplying like bases, add their exponents.

20*x*^{ −1} = ?

See the 'step' in part (b).

Rewrite the expression as multiplication three times.

Then follow the steps in part (b).