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EASY
NOT BAD
SCIENTIFIC NOTATION
TOUGH
UGLY
100
a
5
/a
2
a
3
100
5x
-1
y
-2
5/x
1
y
2
100
243,000
2.43 X 10
5
100
y
-6
/y
-9
y
3
100
x
3t-1
/x
t
x
2t-1
200
x
9
/x
4
x
5
200
-16x
5
/8x
-2x
4
200
(3 X 10
2
)(7 X 10
2
2.1 X 10
5
200
r
4
/r
-4
r
8
200
10b
-1
10/b
300
mm
2
m
5
m
8
300
(3x - 1)
0
1
300
1,000,000
1 X 10
6
300
10
25
/10
23
100
300
9
-5
a
4
/9
-3
a
-1
a
5
/81
400
-5x
0
-5
400
(-7xy)(7y)
-49xy
2
400
2.35 x 10
3
2350
400
8
-7
/8
-6
1/8
400
14x
-2
yz
-4
/2xyz
7/x
3
z
5
500
(-5x)
0
1
500
x
9
y
5
/x
8
y
5
x
500
4 X 10
-3
/2 X 10
-5
2 X 10
2
500
(x
5
)(x
7a
)
x
5+7a
500
x
3t
x
4t-1
/x
t
x
6t-1