Multiplicative Inverse of 400

Multiplicative Inverse of 400 is defined as what you can multiply with 400 to get 1.
If the Multiplicative Inverse of 400 is x, the problem can be written as a function as follows:
400(x) = 1
Thus, to get the answer, we divide 1 by 400 like this:
1 / 400 = 0.0025
Note that the answer is rounded to the nearest 8 decimals if necessary. We can prove that the answer is correct: 0.0025 multiplied by 400 equals 1.
The Multiplicative Inverse of postive 400 has a positive answer and the Multiplicative Inverse of negative 400 has a negative answer. Therefore, the Multiplicative Inverse of -400 is -0.0025.
Multiplicative Inverse of 401
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