Open Up - Grade 8 - Mathematics - Unit 7 - Lesson 13
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Last updated about 3 years ago
17 Questions
1 point
1
Question 1
1.
Write each number in scientific notation.
14,700
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 2
2.
Write each number in scientific notation.
0.00083
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 3
3.
Write each number in scientific notation.
760,000,000
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 4
4.
Write each number in scientific notation.
0.038
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 5
5.
Write each number in scientific notation.
0.38
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 6
6.
Write each number in scientific notation.
3.8
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 7
7.
Write each number in scientific notation.
3,800,000,000,000
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 8
8.
Write each number in scientific notation.
0.0000000009
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 9
9.
Perform the following calculations. Express your answers in scientific notation.
(2⋅10^{5})+(6⋅10^{5})
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 10
10.
Perform the following calculations. Express your answers in scientific notation.
(4.1⋅10^{7})⋅2
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 11
11.
Perform the following calculations. Express your answers in scientific notation.
(1.5⋅10^{11})⋅3
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 12
12.
Perform the following calculations. Express your answers in scientific notation.
(3⋅10^{3})^{2}
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 13
13.
Perform the following calculations. Express your answers in scientific notation.
(9⋅10^{6})⋅(3⋅10^{6})
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 14
14.
Jada is making a scale model of the solar system. The distance from Earth to the moon is about 2.389⋅10^{5} miles. The distance from Earth to the sun is about 9.296⋅10^{7} miles. She decides to put Earth on one corner of her dresser and the moon on another corner, about a foot away. Where should she put the sun?
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 15
15.
Here is the graph for one equation in a system of equations.
Write a second equation for the system so it has infinitely many solutions.
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 16
16.
Here is the graph for one equation in a system of equations.
Write a second equation whose graph goes through (0,2) so that the system has no solutions.
8.EE.4
8.EE.3
5.NBT.2
1 point
1
Question 17
17.
Here is the graph for one equation in a system of equations.
Write a second equation whose graph goes through (2,2) so that the system has one solution at (4,3).
8.EE.4
8.EE.3
5.NBT.2
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