Note that 400 is same as 400.0. Then, shift 2 decimal places to the left from the starting point. Therefore, the number in scientific notation is:
4.0 x 102
It is: 4.0*10^2
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33 400 in scientific notation is 3.3 X 104 .
4 x 10^2
4.03x102 in scientific notation and 400 + 3 in standard form.
You write 0.00007463 in scientific notation as: 7.463 × 10-5
the answer to how to write 87200 in scientific notation is 8.72*10^4