QMS110 Week 2 Chapter 1

R

22 18
+
7 19 -




4
CI} 4.090226 . . .
I 4.09--4.1 =


Zdec .
Idea . integer

-
Percentage
needs to be
-




(835.69/16.570)=(835-69110.065) In ,
54-3198
Int ,
$54.32 converted into
decimal




am · an = am+n

am
= am−n where a != 0
an

(am )n = amn


(ab)n = an bn

! a "n an
= where b != 0
b bn

a0 = 1 where a != 0

1
a−n = where a != 0
an



ex




f. :|
Rule 2
-1
27 =
27
-

3--24 = 16
✗ =
¥
23 -2
=
-5


1×-5
4 4- 9
x ✗
✗
= =
=
w "
x9
¥3
-




=
✗
inverse

positive exponent

, w
( )2
z
=
W÷
"


(4u3 v 2 w4 )3 = 43.4313 ftp./w4)3--64u9v6w .




31-2 5
✗
x3 .x2 = ✗ =




x−2 =
¥2
5
( )−1
2
=
¥
¥2 22
5
( )−2 =
52¥ =
=

gz
= ¥5
2
¥2
(−3)−3 =


¥3 =
÷ ,
= -




Éy


I
-7 - l -
3) -4
x−7 = ✗
= ×
=
✗
4


x−3
8



¥÷
8 8-12
1-2) 1- " )
3-4 256

¥
"

3-41×-2) 4. ✗
-
-

.
✗
g-
•
z ✗ =

3x−2 −4
=




4-4
=

( ) =
=
1-311-41
iz

4x−3 4-
4
( ✗
-



3) -4
4-
"
. ✗ ✗
256
-4
=
•
✗
g-
add
~
2
4x (x y ) 3 2 −2 4×2 .
( ✗ 3)
→
( yl )
-2
4×2 .
✗
-



6.
y
-4
=ZÉ÷ ,


= =

(2x−3 y)3 23 ( x 3) 3. (g)
- 3
8 ✗
-9 3
. . .

y



Yy
"



¥{
'




= 4×-4 y
-4
•
✗
•
=
→
✗
8×-9,3
-4 l -
9) -4-3
§
-




=
×
y
. •




-4+9 -7
=

¥ • ✗ .
y

=


tz . ✗
5
.
§ =

f- •
•
¥
:÷
=