723/725 (12-19-23) Scientific Notation) Quiz

• 2.3 x 10^13 km

• 5.7 x 10^13 km

• 3.2 x 10^13 km

• 9.461 x 10^12 km

2. Star A is 5.6 x 10^11 km away from Earth, and Star B is 7.8 x 10^10 km away from Earth. Which star is closer to Earth?

• Both stars are equally distant from Earth

• Star B

• Star A

• There is not enough information to determine which star is closer

Star P is 6.7 x 10^12 km away from Earth, and Star Q is 8.9 x 10^11 km away from Earth. Which star is farther from Earth?

• There is not enough information to determine which star is farther

• Star Q

• Star P

• Both stars are the same distance from Earth

Star E is 4.3 x 10^11 km away from Earth, and Star F is 6.9 x 10^10 km away from Earth. Which star is closer to Earth?

• Star E

• Neither, they are the same distance from Earth

• Star F

• Star F is 4.3 x 10^11 km away from Earth

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 mass of he sun is 1.989 x 10³⁰ kilograms. The mass of the earth is 5.98 x 10²⁴ kilograms. How many times bigger is the sun than the earth?

• 3.326 x 10⁵
• 3.326 x 10⁶
• 1.99 x 10³⁰
• 1.99 x 10⁶

In 1985 Earth had 4.9 ×10⁹ people living on it and in 2005, earth had 6.4 ×10⁹ living on it. How many more people inhabited Earth in 2005 than in 1985?

• 1.13 x 10⁹

• 1.13 x 10¹⁰

• 1.5 x 10⁸

• 1.5 x 10⁹

A TV show had 3.5 × 10⁶ viewers for their first episode and 8.5 × 10⁶ viewers for their second episode. How many viewers did they have overall?

• 1.2 x 10⁷

• 1.2 x 10^-7

• 1.2 x 10⁶

• 1.2 x 10^-6

The mass of he sun is 1 x 10³⁰ kilograms. The mass of the earth is 5 x 10²⁴ kilograms. How many times bigger is the sun than the earth?

• 2 x 10⁵

• 5 x 10⁶

• 4 x 10³⁰

• 2 x 10⁶

Which of these numbers is the greatest?

• 9 x 10⁹

• 8.1 x10¹⁰

• 9.02 x10⁹

• 6.35 x10¹⁰