Investigating Solar System The table shows the average distance from each planet in our solar system to the sun.

(A) Complete the table by expressing the distance from each planet to the Sun in scientific notation.

(B) Order the planets from closest to the sun to farthest from the sun.

Predicting the ones digit, copy and complete this table and answer the questions that follow.

Powers Table

A. Describe patterns you see in the ones digits of the powers.

B. Predict the ones digit in the following:

1. 4¹²

2. 9²⁰

3. 3¹⁷

4. 5¹⁰⁰

5. 10⁵⁰⁰

C. Predict the ones digit in the following:

1. 31¹⁰

2. 12¹⁰

3. 17²¹

4. 29¹⁰

Astronomy The table shows the mass of the planets, the sun and the moon in our solar system.

A. Write the mass of each planet and the Moon in scientific notation.

B. Order the planets and the moon by mass, from least to greatest.

C. Which planet has about the same mass as earth?

This table shows the mass of one atom for five chemical elements. Use it to answer the question given.

A. Which is the heaviest element?

B. Which element is lighter, Silver or Titanium?

C. List all five elements in order from lightest to heaviest.

The planet Uranus is approximately 2,896,819,200,000 metres away from the Sun. What is this distance in standard form?