1. 4.2 notes
more chapter 4.1 first the zero exponent rule ,if anything has a zero for a exponent then it =1
53
as long as the number it self isn ' t zero like a 0=1 look at this example 3 =50=1
5
n n n 2 4
ax a x 3c 34 c 8 81c8
there is also the expanded power rule( ) = n n example( 3 ) = 4 12 =
by b y 2d 2 d 16 d 12
x4 1
Chapter 4.2 negative exponents 9 = x−5 when you have a negative exponent just turn it into a fraction 5
x x
if you have a negative fraction then it becomes a whole number see this example
1 a −n b n
=23=8 on more rule fraction raised ¿ a negative exponent rule ( ) =( ) now look at this example
2−3 b a
−2 2 6 6
3 r3 r r
( ) =( ) = 2 =
r3 3 3 9
group work for 4.2 is 12, 26,60, 96,118,130 this as well as the 4.1 group work is due on wednesday
more chapter 4.1 first the zero exponent rule, if anything
has a zero for a exponent then` it` =1` newline as long
as the number it self isn't zero` like` a^{0}=1 look at
this example {5^{3}} over {5^{3}}= 5^0=1 newline
there is also the expanded power rule ({ax} over {by}
)^n={a^{n}x^n} over {b^n y^n} example (3c^2 over
2d^3)^4= {3^4 c^8} over {2^4 d^12}= {81c^8}
over {16 d^12} newline Chapter 4.2 negative exponents
x^4 over x^9= x^-5 when you have a negative
exponent just turn it into a fraction 1 over x^5 newline if
you have a negative fraction then it becomes a whole
number see this example newline 1 over 2^-3 = 2^3=
8~ on more rule fraction raised to a negative exponent
rule (a over b)^-n = (b over a)^n now look at this
example newline (3 over r3)^-2= (r3 over 3)^2= r^6
over 3^2= r^6 over 9 newline newline group work for
4.2 is 12, 26, 60, 96, 118, 130 this as well as the 4.1
group work is due on wednesday
