0.0025
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4 + .9 + .03 + .001 is the expanded form of 4.931. To find the expanded form of a number, separate the number by the digits, multiply each digit by its place value, and the write it as a sum that hasn't been evaluated: 4(1) + 9(.1) + 3(.01) + 1(.001) = 4 + .9 + .03 + .001
4+.3+.05+.001+.0002