What is 3,920,000,000,000 in scientific notation? 3.92×1010

3.92×1012

3.92×10−10

3.92×10−12

In writing numbers in their scientific notation, we must first move the decimal point until our number has only a one's digit. From the given number, , it would look like this . Because, we can't fundamentally change the number we need to multiply our new number, with where is the number of how many times we moved the decimal point to the left. If we moved our decimal to the right, would be negative. Since we moved it to the left by times, .

Now we multiply with . It is