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Unit 2 Review
Test Description: Review
Instructions: Answer all questions to get your test result.
1) What is 4 ^3 ? (four to the 3rd power)
A
64
B
12
C
27
D
16
2) What is 10 ^-4 in scientific notation?
A
In scientific notation 1,000
B
In scientific notation 10
C
In scientific notation .0001
D
In scientific notation 100
3) Write number in scientific notation 0.000000204
A
20.4 x 10 ^9
B
204
C
.204 x 10 ^8
D
2.04 x 10 ^-7
4) Write 4.6 x 10^8 in scientific notation.
A
4,600,000
B
460,000,000
C
.000000046
D
46,000
5) Find the two square roots of 625
A
+/- 15
B
+/- 25
C
+/- 5
D
+/-312.5
6) Evaluate the expression: The square root of 36 times the square root of 4.
A
144
B
12
C
24
D
8
7) The square root of 36 is 6. What type of number is 6? rational, irrational, or not a real #
A
rational
B
irrational
C
all 3
D
not a real #
8) What is the square root of 63? round to nearest tenth
A
7.9
B
3.6
C
9.0
D
6.3
9) Estimating the square root: The square root of 5 is between two integers. Name the integers.
A
5 and 6
B
8 and 9
C
2 and 3
D
4 and 5
10) My 3 math teachers are...
A
Mrs. Johnson, Mrs. Obama, and Mrs. Bilen
B
Mrs. Johnson, Mrs. Shirey, and Mrs. Bilen
C
Mr. Johnson, Mr.Shirey, and Mr. Bilen
D
Mr. Snarr, Mr. Patterson, and Mrs. Johnson
*select an answer for all questions
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