Question

The star Polaris is estimated to be

about 4,100,000,000,000,000 km from
Earth.
Write this distance in scientific
notation.
[?] x 100 km

Answer 1

4.1×10¹⁵

Explanation:

move the decimal point to a number less than 10.In this question, move it between 4 and 1= 4.1

Answer 2

4.1 x 10¹⁵ km

Explanation:

4,100,000,000,000,000 km

= 4.1 x 10¹⁵ km