57.281 = (5 x 10) + (7 x 1) + (2/10) + (8/100) + (1/1000)
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57.281 in expanded form is 50 + 7 + 0.2 + 0.08 + 0.001. This means breaking down the number into its different place values, with 50 representing the 50s place, 7 representing the 7s place, 0.2 representing the tenths place, 0.08 representing the hundredths place, and 0.001 representing the thousandths place.
57.281 is already a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is 57281/1000.
2.16 written in expanded form = 2 + 0.1 + 0.06
In standard form it is 1.1*10^-2.In expanded form it is 0.01 + 0.001
The expanded form of a decimal number is the number written as the sum of its whole number and decimal place values. Example: 3 + 0.7 + 0.06 + 0.002 is the expanded form of the number 3.762. 100 + 3 + 0.06 is the expanded form of the number 103.06.
Not sure where Google comes into it, but the expanded form is 1 + 0.7