The area of Greenland is 840, 0000 square miles what is this number in scientific notation

To express a number in scientific notation, you need to write it as the product of a number between 1 and 10 (excluding 10) and a power of 10.

Given that the area of Greenland is 840,000 square miles, we can express this number in scientific notation as follows:

First, we move the decimal point to the left until there is only one non-zero digit to the left of the decimal point. In this case, we move the decimal point 5 places to the left, resulting in the number 8.4.

Next, we count the number of places we moved the decimal point (in this case, 5 places), and this will be the exponent of 10. Since we are moving the decimal point to the left, the exponent will be negative.

Therefore, the area of Greenland in scientific notation is 8.4 × 10^5 square miles.