1.
Express 45,280,000 in scientific notation.
A.
4.528 × 10
7
B.
45.28 × 10
6
C.
4.528 × 10
-7
D.
4.528 × 10
6
Hint
2.
Simplify (18
q
3
r
)(2
q
r
4
).
A.
36
q
4
r
5
B.
36
q
3
r
5
C.
36
q
r
D.
36
q
3
r
4
Hint
3.
Simplify
A.
27
x
3
n
y
6
B.
C.
D.
Hint
4.
Express the result in scientific notation. (3 × 10
-3
)(2 × 10
9
)
A.
6 × 10
12
B.
3 × 10
6
C.
3 × 10
12
D.
6 × 10
6
Hint
5.
Express the result in scientific notation.
A.
1.25 × 10
-10
B.
1.25 × 10
4
C.
1.25 × 10
-4
D.
1.25 × 10
10
Hint