Interim 1 Retake practice

Express the product of 400 and 900 in Scientific Notation.

• 360,000

• 130,000

• 36.0 x 10⁵

• 3.6 x 10⁵

The distance from Earth to Neptune is 5.3514 x 10⁸ km. The distance from Earth to Mars is 6.834 x 10⁶ km. How much farther is Neptune from Earth to Mars?

• 5283600 x 10⁹

• 528,306,000

• 5.28306 x 10⁸

• 5.28306 x 10⁹

Which of the following statements is true about an approximation for  $\sqrt{99}$   

• It should be to the left of 6 since  $\sqrt{99}$   is greater than  $\sqrt{36}$  .

• It should be to the right of 6 since  $\sqrt{99}$   is greater than  $\sqrt{36}$  

• It should be to the left of 6 since  $\sqrt{99}$   is less than  $\sqrt{36}$  

• It should be to the right of 6 since  $\sqrt{99}$   is less than  $\sqrt{36}$  

Which of the following statements is true about an approximation for   $\sqrt{79}$   

• It should be to the right of 9 since  $\sqrt{79}$   is greater than  $\sqrt{81}$  .

• It should be to the right of 9 since  $\sqrt{79}$   is less than  $\sqrt{81}$  .

• It should be to the left of 9 since  $\sqrt{79}$   is greater than  $\sqrt{81}$  .

• It should be to the left of 9 since  $\sqrt{79}$   is less than  $\sqrt{81}$  .

The sun is approximately 9.29 x 10⁷ miles from Earth. The Moon is approximately 3.389 x 10⁵ miles from Earth. How much farther is the Sun than the Moon from Earth?

• 6.389 x 10^-7

• 9.25611 x 10⁷

• 92.5611 x 10⁶

• 6.389 x 10⁶

Which of the following numbers is to the left of 11 on a number line? Select two

• $\sqrt{81}$

• $\sqrt{144}$

• $\sqrt{121}$

• $\sqrt{4}$

• $\sqrt{169}$

What level do you think you are at in this math lesson? ( Be truthful, there is no wrong answer)

• 4 = I can do it without mistakes. I can help others

• 3 = I can do it by myself. I make little mistakes.

• 2 = Sometimes I need help. I am starting to understand.

• 1 = I can't do it by myself. I don't understand yet.