scientific notation review

How much more did the West earn than the North?

• 5.46 x 10^9

• 1.05 x 10^0

• 3.282 x 10^3

• 1.47884 x 10^5

The mean distance from the sun to Earth is 9.29 x 10⁷ miles. Jupiter's mean distance from the sun is 4.8388 x 10⁸ miles. What is the difference between these two distances in miles? 

• 4.3092 x 10¹
• 3.9098 x 10⁷
• 3.9098 x 10⁸
• 5.7678 x 10⁸

The mean distance from the sun to Earth is 9.29 x 10⁷ miles. Jupiter's mean distance from the sun is 4.8388 x 10⁸ miles. What is the difference between these two distances in miles?

• 4.3092 x 10¹

• 3.9098 x 10⁷

• 3.9098 x 10⁸

• 5.7678 x 10⁸

As part of a community service project, a class planted 7x10⁵  trees in a year.  If there are 3.5x10³ students in the school, how many trees did each student plant?

• 2 x 10⁸
• 2 x 10²
• 3.5 x 10⁸
• 3.5 x 10²

There are approximately 3.1 x 10⁸ people in the United States. If each person has 4.1 x 10¹ coins, how many coins are there altogether?

• 1.271 x 10¹⁰
• 1.271 x 10⁹
• 1.271 x 10¹¹
• 1.271 x 10⁸

The US spends an average of 1.02x10⁴ dollars on each student per year.  There are about 7.6x10⁷ students in the US.  About how much money total is spent on students per year?

• 7.752 x 10¹¹
• 7.752 x 10²⁸
• 8.62 x 10¹¹
• 8.62 x 10²⁸

A microgram is equal to 1 x 10 ^-6 grams. How many times greater than a microgram is 1 x 10² grams? 

• 1 x 10^-8
• 1 x 10^-4
• 1 x 10⁴
• 1 x 10⁸

Put the exponents in order from least to greatest

• Jupiter, Moon, Wolfish Egg, Aluminum

• Wolfish Egg, Aluminum, Jupiter, Moon

• Atom of Alum, Wolfish Egg, Moon, Jupiter

• Atom of Alum, Wolfish Egg, Jupiter, Moon

Write the weight of Camarasuarus

• 40 x 10^3

• 0.4 x 10^5

• 4 x 10^3

• 4 x 10^4

Write the weight of Argentinosaurus in scientific notation

• 2.2 x 10^4

• 2.2 x 10^5

• .22 x 10^6

• 22 x 10^6