Scientific notation is a way of writing very large or very small numbers.
A number is written in scientific notation when a number greater than 0 and less than 10 multiplied by a power of 10.
In this case:
100,000 = 10⁵
840,000 = 8.4 • 100,000 = 8.4 • 10⁵
Scientific notation:
8.4 • 10⁵ sq mi
The area of Greenland is 840,000 square miles. What is the scientific notation?
1 answer