WorksheetsReview 2
Total questions: 14
Worksheet time: 42mins
Name
Class
Date
1.
Two friends leave school at the same time, Sarah is heading due north and Beth is heading due east. One hour later they are 5 miles apart. If Sarah had traveled 4 miles from the school, how many miles had Beth traveled?
a)
6 miles
b)
5 miles
c)
3 miles
d)
1 mile
2.
Find an expression equivalent to the one shown below.
1016 X 10-4
1016 X 10-4
a)
1012
b)
2010
20^10
20^10
c)
1210
d)
1020
3.
Match the correct expression to the correct solution:
am X an
am X an
a)
amn
b)
a(m+n)
c)
a(mXn)
d)
a(m/n)
4.
Solve the equation for n.
5n = 1
5n = 1
a)
n=1
b)
n=5
c)
n=0
d)
n=4
5.
Which type of correlation is represented by the scatter plot ?
a)
positive
b)
negative
c)
none
d)
all
6.
The density of hydrogen is 0.0000899 g/cm3. Rewrite in scientific notation.
a)
899 X 10-7
b)
89.9 X 10-6
c)
8.99 X 10-5
d)
.899 X 10-4
7.
The equatorial radius of Earth is approximately 6 × 103 km, while the equatorial radius of Saturn is approximately 6 × 104 km. Which of the following is true?
a)
The equatorial radius of Saturn is approximately ten times that of Earth.
b)
The equatorial radius of Saturn is approximately one hundred times that of Earth.
c)
The equatorial radius of Earth is approximately ten times that of Saturn.
d)
The equatorial radius of Earth is approximately one hundred times that of Saturn.
8.
Which shows the expression below simplified? 0.0038 + (1.5 × 10-4)
a)
A. 3.95 × 10-4
b)
A. 3.95 × 10-3
c)
A. 1.5038 × 10-4
d)
A. 1.5038 × 10-7
9.
A day is equivalent to 8.64 × 104 seconds. What is this time in standard form?
a)
864,000 seconds
b)
864 seconds
c)
8,640 seconds
d)
86,400 seconds
10.
Marylou is blowing up a beach ball. The package says that the ball has a diameter of 18 inches. What is the volume of the beach ball when it is completely full? Use 3.14 for π V=4/3π r3
a)
24,416.6400000000 in3
b)
1,017.36 in3
c)
452.16 in3
d)
3,052.08 in3
11.
If r = 9 units and h = 5 units, what is the volume of the cylinder shown above, using the formula V=π r2h & Use 3.14 for π
a)
405 units3
b)
90 units3
c)
282.6 units3
d)
1271.7 units3
12.
If r = 6 units and x = 12 units, then what is the volume of the cylinder shown? V=π r2h &
a)
1,728π
cubic units
cubic units
b)
72π cubic units
c)
216π cubic units
d)
432π cubic units
13.
If h = 8 units and r = 4 units, then what is the approximate volume of the cone shown? V=1/3 π r2h
a)
42.67π cubic units
b)
32π cubic units
c)
85.33π cubic units
d)
128π cubic units
14.
If the sphere shown has a radius of 16 units, then what is the approximate volume of the sphere? V=4/3π r3
a)
1024π cubic units
b)
6826.67π cubic units
c)
2730.67π cubic units
d)
5461.33π cubic units
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