## Chapter 4, Lesson 9

**4-9.A** rewrite decimals as fractions**Rewrite each decimal as a fraction.a.** 0.1

**b.**0.01

**c.**0.0001

**4-9.B** write powers of 10 in standard form**Rewrite each power of 10 in standard form.a.** 10

^{1}

**b.**10

^{4}

**c.**10

^{0}

**4-9.C** evaluate expressions with nonnegative integral exponents **Evaluate each expression.a.** 45

**b.**(—2)

^{3}

**c.**(—155)

^{0}