KEY Exponents Unit Review Lessons 1

KEY
Exponents
Unit Review
Lessons 1-5
Simplify.
1. x2y7
2.
−1
3x
3.
4.
5.
6.
7.
8.
9.
13x + 7y
16x6y2
1
x = ±8
x = ±.4
-10
2 xy 3 x
10.
11.
-100
12.
6
6
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
3
a
−2 6
4 x 107
6.3 x 1012
1.90829 x 10-2
4 x 1010
b = -1
x=0
a = -1
n = 10
Irrational
Irrational
Rational
26.
27.
28.
29.
30.
4
9
3
10
1
1
2
.2
5.6