1.
Simplify
x
3
y
0
z
-2
.
A.
B.
-
x
3
yz
2
C.
D.
0
Hint
2.
Simplify
Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
3.
Simplify
. Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
4.
Express 47.5 × 10
-5
in scientific notation.
A.
4.75 × 10
-4
B.
475 × 10
-6
C.
0.475 × 10
-3
D.
4.75 × 10
-6
Hint
5.
Express 2.38 × 10
6
in standard notation.
A.
0.000000238
B.
238,000
C.
2,380,000
D.
0.00000238
Hint