Question

The planet Venus has a mass of 4.869 ∙ 1024 kilograms. Use scientific notation to express the planet’s mass in milligrams. 1 kilogram = 1,000,000 milligrams

Answer 1

To do this you need to multiple 1,024 by 1,000,000 to get 1,024,000,000 and then convert it to scientific notation. For that you need to know how many places there are after the first number. In this case it is 9. This will be 1.024 x 10^9. You have to remember that it is to the power of however many numbers are after the first. So even though we show 3 digits after the . we still have to include those in the power.

Answer 2

4.869 × 10³⁰ milligrams

Explanation:

A number written in scientific rotation is a number between 1 and 10 multiplied with the power of 10.

We know that

1 kilogram = 1,000,000 milligrams =1.0 × 10⁶ milligrams

4.869 × 10²⁴ kilograms can be written as:

4.869 × 10²⁴ × 1.0 × 10⁶ milligrams = 4.869 × 10³⁰ milligrams