How many times greater is the following? Give the answer in proper scientific notation.
1 point
1
Question 2
2.
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?
1 point
1
Question 3
3.
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?
1 point
1
Question 4
4.
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?
QUIZ
2 points
2
Question 5
5.
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?
2 points
2
Question 6
6.
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?