Expanded Form
Expanded Form - Related Videos
06:48
Rapid Formation and Testing of Self-expanding NiTi Frames with a Small Form Factor Suitable for Minimally Invasive Implants
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Cited by 1 •
2025
This work illustrates a low-cost fabrication technique for shape-setting nitinol wires/frames with a small form factor using sacrificial fixtures. The technique is demonstrated for the fabrication of self-expanding frames designed for minimally invasive implants with complex shapes.
06:36
Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper
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Cited by 1 •
2021
This study describes a method to expand chitin into a foam by chemical techniques that require no specialized equipment.
09:27
New Tools to Expand Regulatory T Cells from HIV-1-infected Individuals
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Cited by 4 •
2013
CD4+ Regulatory T cells are potent immune-modulators and serve important functions in immune homeostasis. The paucity of these cells in peripheral blood makes functional studies challenging, specifically in the context of HIV-1-infection. We here describe a method to isolate and expand functional CD4+ Tregs from peripheral blood from HIV-1-infected individuals.
11:35
Fabrication of an Expandable Brain Matrix Customizable Across Developmental Stages
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2026
An innovative method to build expandable brain matrices to cut either coronal or sagittal slices is described for application to neonatal piglets. This budget-friendly approach utilizes acrylic plates carved using templates from agarose gel brain molding, applies to multiple species, and allows for expansion to accommodate brain growth.
01:25
Point-Slope Form
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2026
Point-slope form is a method for expressing the equation of a straight line when its slope and the coordinates of one point on the line are known. It is particularly useful because it directly connects the slope, which describes the line’s rate of change, with a specific point through which the line passes.The slope of a line measures how much the vertical coordinate changes relative to a change in the horizontal coordinate. A positive slope shows that y increases as x increases, while a...
FAQs
Zero identifies a place-value position even when that position contributes nothing to the total. In 3.07, the zero occupies the tenths place, while 7 contributes seven hundredths, so the expression can be written as 3 + 0.07. Recognizing these empty positions helps prevent digits from being assigned to the wrong powers of ten.
Decimal notation uses powers of the base ten on both sides of the decimal point. Digits to the left represent ones, tens, or larger values, while digits to the right represent decimal fractions such as tenths or hundredths. Expanded form makes this distinction visible, which clarifies the structure of values like 3.07.
It lets you compare corresponding place values rather than judging digits in isolation. For whole numbers, examine the largest place first, then move right if those values match. For decimals, compare the whole-number portions before examining tenths, hundredths, and later positions. This organizes the comparison around each digit’s actual contribution.
Expanded form shows the contribution of every place, making the position selected for rounding easier to identify. A number can be examined at the relevant tens, hundreds, or decimal place while the neighboring digit supplies the needed comparison. This connects rounding to place value instead of treating the number as an undifferentiated string of digits.
Separating a number into place-value parts can make arithmetic structure easier to see. Addition can be organized by combining matching places, such as thousands with thousands or tens with tens. Multiplication can likewise use the separated components of a number. The resulting structure provides a bridge from place-value reasoning to formal arithmetic methods.
The same place-value principle can be applied when a numeral system uses a base other than ten. Each digit is associated with a power of that base rather than with ones, tens, hundreds, or decimal fractions in base ten. Writing the parts separately helps reveal how the system represents quantities and supports comparison with decimal notation.