1. Exponents and Division
Lesson 4-8
Additional Examples
Simplify each expression.
412 48 a.
412 48
= 412 – 8
Subtract the exponents.
= 44
Simplify the exponent.
= 256
Simplify.
w18
w13 b.
= w18 – 13
w18
w13
Subtract the exponents.
= w5
Simplify the exponent.

2. Exponents and Division
Lesson 4-8
Additional Examples
Simplify each expression.
(–12)73 a.
(–12)73
= (–12)73 – 73
Subtract the exponents.
= (–12)0
Simplify.
= 1 b.
8s20
32s20 8 32
8s20
32s20 1 4 =
Subtract the exponents. Simplify s0 1 4 =
• 1
Simplify s0. 1 4 =
Multiply.

3. Exponents and Division
Lesson 4-8
Additional Examples
Simplify each expression.
612
614 a.
= 6–2
612
614
= 612 – 14
Subtract the exponents. = 1 62
Write with a positive exponent. 1 36 =
Simplify. z4
z15 b.
= z–11 z4
z15
= z4 – 15
Subtract the exponents. = 1
z11
Write with a positive exponent.

4. Exponents and Division
Lesson 4-8
Additional Examples
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.