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Open Up - Grade 8 - Mathematics - Unit 7 - Lesson 13

Last updated 9 months ago
17 questions
1

Write each number in scientific notation.

14,700

1

Write each number in scientific notation.

0.00083

1

Write each number in scientific notation.

760,000,000

1

Write each number in scientific notation.

0.038

1

Write each number in scientific notation.

0.38

1

Write each number in scientific notation.

3.8

1

Write each number in scientific notation.

3,800,000,000,000

1

Write each number in scientific notation.

0.0000000009

1

Perform the following calculations. Express your answers in scientific notation.

(2⋅10^{5})+(6⋅10^{5})

1

Perform the following calculations. Express your answers in scientific notation.

(4.1⋅10^{7})⋅2

1

Perform the following calculations. Express your answers in scientific notation.

(1.5⋅10^{11})⋅3

1

Perform the following calculations. Express your answers in scientific notation.

(3⋅10^{3})^{2}

1

Perform the following calculations. Express your answers in scientific notation.

(9⋅10^{6})⋅(3⋅10^{6})

1

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?

1

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.

1

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.

1

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).

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