1.
Express 45,280,000 in scientific notation.
A.
4.528 × 10
6
B.
4.528 × 10
-7
C.
4.528 × 10
7
D.
45.28 × 10
6
Hint
2.
Express 0.091 in scientific notation.
A.
9.1 × 10
-2
B.
9.1 × 10
1
C.
9.1 × 10
2
D.
9.1 × 10
-1
Hint
3.
Simplify (18
q
3
r
)(2
q
r
4
).
A.
36
q
r
B.
36
q
3
r
5
C.
36
q
3
r
4
D.
36
q
4
r
5
Hint
4.
Simplify
A.
B.
C.
D.
5
t
3
u
3
v
4
Hint
5.
Simplify
A.
B.
27
x
3
n
y
6
C.
D.
Hint