1.
Write 3,465 in scientific notation.
A.
0.3465×10
4
B.
346.5×10
C.
3.465×10
3
D.
34.65×10
2
Hint
2.
Write 2,564,000 in scientific notation.
A.
2.564×10
6
B.
2,564×10
3
C.
2.564×10
5
D.
25.64×10
5
Hint
3.
Rewrite 12
3
× 7
3
using a single base.
A.
19
9
B.
84
3
C.
84
9
D.
19
3
Hint
4.
Simplify 11
z
2
× 9
z
3
.
A.
20
z
6
B.
99
z
5
C.
99
z
6
D.
20
z
5
Hint
5.
Rewrite
I
z
÷
j
z
using a single base.
A.
B.
C.
D.
(
i – j
)
z
Hint
6.
Simplify (3
5
)
8
.
A.
3
3
B.
3
40
C.
15
8
D.
3
13
Hint
7.
Which situation describes the expression
2?
A.
a coin collection where 2 coins are added each month
B.
areas of various rugs with side length
t
for the rug at stage
t
C.
the air temperature when a cold front moves into the area and the temperature falls 2?every half hour
D.
the population of a city that doubles every 10 years
Hint
8.
What is the value of 5
x
when
x
= 5?
A.
25
B.
5
C.
10
D.
3125
Hint