Objective evaluate powers that have negative and zero exponents.

Section 4.6 “Zero and Negative Exponents” Power Fraction Form Decimal Form

Negative Exponents Let ‘n’ be a positive integer and ‘a’ be a nonzero number. reciprocals

Write the expression using only positive exponents.

Write the expression without using a fraction bar.

Zero Exponents Any number or variable to the Let ‘n’ be a positive integer and ‘a’ be a nonzero number. Any number or variable to the zero power is always equal to one.

Evaluate the expressions. 1) 2) undefined 3) 4)

Try It Out... Find the product or quotient.

Try It Out... CHALLENGE