Since the first part of the number must be between 1 and 10, in this case it would be 2.9.
The second part of the number is how many places the decimal was moved to the left, in this case 3, as the exponent for the 10^X part.
So it's 2.9 * 10^3.
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2.9 x 103
the answer to how to write 87200 in scientific notation is 8.72*10^4
You write 0.00007463 in scientific notation as: 7.463 × 10-5
There are probably about half a dozen ways to write this number in scientific notation, but one way to write it, in scientific notation, is 2.4936061x108.
3000 in scientific notation is 3x103.