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First Six Weeks Test Review
Test Description: MAD, Scientific notation, real number system, ordering numbers, equations
Instructions: Answer all questions to get your test result.
1) Evaluate for x: 0.25x + 10 = -2x + 27
A
9
B
5
C
13
D
22
2) Evaluate for x: x/4 + 7 = -x + 32
A
15
B
3 1/4
C
9
D
20
3) Calculate the average distance from the mean of the following numbers : 72, 61, 70, 68
A
67.75
B
3.375
C
13.5
D
0
4) Calculate the average distance from the mean of the following numbers : 14, 13, 15, 13, 16
A
0
B
5.2
C
14.2
D
1.04
5) The distance from the sun to the earth is 159,600,000,000 miles. How is this number expressed in scientific notation?
A
1.5 x 10 ^ 11
B
15.96 x 10 ^ 10
C
1596 x 10 ^11
D
1.596 x 10 ^11
6) An elephant weighs approximately 6,000 pounds. How is this number expressed in scientific notation?
A
6 x 10 ^ -3
B
.6 x 10 ^-4
C
60 x 10 ^ 2
D
6 x 10 ^3
7) How is this number written in scientific notation: 0.0000000508
A
5.08 x 10 ^ -8
B
5.8 x 10 ^ -8
C
508 x 10 ^-7
D
50.8 x 10 -7
8) Which of the following shows these numbers -20, 10. -24, -6, 0 listed correctly from least to greatest?
A
10, 0 , -6, -20, -24
B
-6, -20, -24, 0 , 10
C
-24, 10, -20, -6, 0
D
-24, -20, -6, 0, 10
9) Which of the following shows theses numbers 80%, 0.827, 1/3, 8 from greatest to least?
A
0.827, 80%, 8, 1/3
B
8, 0.827, 80%, 1/3
C
8, 80% , 0.827, 1/3
D
1/3, 8, 0.827, 80%
10) Which of the following shows two rational numbers and two integers?
A
-0.4, -0.5, 0.2, 0.3
B
1/3, 0.49438940...., -2, -5
C
0.839849384....., -0.4, -9, 8
D
0.135135135......, -8/2, -0.4, -13
*select an answer for all questions
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