Here we will show you what 31.1 looks like in expanded form. More specifically, we will show you the expanded notation form of 31.1, the expanded factor form of 31.1, and the expanded exponential form of 31.1.
Expanded Notation Form
With the expanded notation form, we find the value of each digit in 31.1 and then add them up like this:
+ 30
+ 1
+ 0.1
= 31.1
Expanded Factor Form
With the expanded factor form of 31.1, we multiply each digit of 31.1 by the place value of the digit and then add them up like this:
+ 3 × 10 + 1 × 1 + 1 × 0.1
= 31.1
Expanded Exponential Form
With the expanded exponential form of 31.1, we multiply each digit of 31.1 by the place value of the digit in exponential form, and then add them up like this:
+ 3 × 101 + 1 × 100 + 1 × 10-1
= 31.1
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