Week 2 Bell-ringers - 8th Grade LPSS - Scientific Notation

by Ellie Keefe

| 6 QuestionsNO CALCULATOR

1

1

How many times greater is the following? Give the answer in proper scientific notation.

2 x 10^3

5 x 10^2

0.5 x 10^3

5 x 10^3

2

1

The body of a 154-pound person contains approximately 2 x 10^-1 milligrams of gold and 6 x 10^1 milligrams of aluminum. Based on this information, the number of milligrams of aluminum in the body is how many times the number of milligrams of gold in the body?

3

1

The area of Canada is approximately 1 x 10^7 square miles.

The area of Italy is approximately 3 x 10^5 square miles.

Which statement best describes the relative sizes of the countries?

The area of Italy is approximately 3 times the size of Canada.

The area of Italy is a little more than 2 times the size of Canada.

The area of Canada is approximately 100 times the size of Italy.

The area of Canada is a little more than 30 times the size of Italy.

4

1

The Earth is approximately 9.3 x 10^7 miles from the sun. Uranus is approximately 1.8 x 10^9 miles from the sun. About how many times farther from the sun is Uranus than Earth?

1.9 x 10^1 times farther

5 x 10^2 times farther

2 times farther

1.6 x 10^2 times farther

QUIZ

5

2

The body of a 154 pound person contains approximately 4 × 10^-1 milligrams of gold and 16 × 10^1 milligrams of aluminum. Based on this information, the number of milligrams of aluminum in the body is how many times the number of milligrams of gold in the body?

6

2

The diameter of the sun is approximately 1.39 x 10^6 km. The diameter of Mercury is approximately 4.88 x 10^3 km. About how many times larger is the diameter of the sun that the diameter of Mercury?

3 x 10^3 times larger

2.8 x 10^4 times larger

2.8 x 10^2 times larger

.28 x 103 times larger

Add to my formatives list

Formative uses cookies to allow us to better understand how the site is used. By continuing to use this site, you consent to the Terms of Service and Privacy Policy.