Answer:
The number 3,210,987 in scientific notation is

Explanation:
Given: A number 3,210,987
We have to write it in scientific notation.
Consider the given number 3,210,987
SCIENTIFIC NOTATION is way to expressing large number in smaller form by writing the number between 1 and 9 and is multiplied by a power of 10.
For the given number 3,210,987
The number of digits after 3 is 6
So, we can multiply and divide the number by

Thus, The given number becomes,

Rewriting, we get,

Thus, The number 3,210,987 in scientific notation is
