1.
Simplify
x
3
y
0
z
-2
.
A.
B.
-
x
3
yz
2
C.
0
D.
Hint
2.
Simplify
. Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
3.
Express 765,000,000,000 in scientific notation.
A.
7.65 × 10
11
B.
7.65 × 10
10
C.
7.65 × 10
-11
D.
0.765 × 10
12
Hint
4.
Express 0.034 × 10
7
in scientific notation.
A.
3.4 × 10
9
B.
34 × 10
4
C.
3.4 × 10
5
D.
0.34 × 10
6
Hint
5.
Express 2.38 × 10
6
in standard notation.
A.
2,380,000
B.
0.00000238
C.
0.000000238
D.
238,000
Hint