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Pre-AlgebraPre-Algebra
Exponents and DivisionExponents and Division
Lesson 4-8
Simplify each expression.
a.
b.w18
w13
= 44 Simplify the exponent.
= 256 Simplify.
= w5 Simplify the exponent.
412
48
412
48 = 412 – 8 Subtract the exponents.
= w18 – 13w18
w13 Subtract the exponents.
Additional Examples
Pre-AlgebraPre-Algebra
Exponents and DivisionExponents and Division
Lesson 4-8
Simplify each expression.
a. (–12)73
(–12)73
= 1
= (–12)0 Simplify.
b. 8s20
32s20
(–12)73
(–12)73 = (–12)73 – 73 Subtract the exponents.
14= • 1 Simplify s0.
14= Multiply.
832
8s20
32s20
14= Subtract the exponents. Simplify .s0
Additional Examples
Pre-AlgebraPre-Algebra
Exponents and DivisionExponents and Division
Lesson 4-8
Simplify each expression.
a. 612
614
b. z4
z15
= 6–2
612
614 = 612 – 14 Subtract the exponents.
= 162 Write with a positive exponent.
136= Simplify.
= z–11
z4
z15= z4 – 15 Subtract the exponents.
= 1z11
Write with a positive exponent.
Additional Examples
Pre-AlgebraPre-Algebra
Exponents and DivisionExponents and Division
Lesson 4-8
Write without a fraction bar.a2b3
ab15
a2b3
ab15 = a2 – 1b3 – 15 Use the rule for Dividing Powers with the Same Base.
= ab–12 Subtract the exponents.
Additional Examples