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What will be the unit digit of the squares of the following number 81?
The unit digit of the square of 81 will be 1.
Why do you use cubes instead of squares to measure the volume of a rectangular prism?
Squares cannot be used to measure a three-dimensional volume since they have only two dimensions. Squares are used to measure surface areas, such as the outer surface of a rectangular solid. Cubes are used to measure volume because they are the simplest geometric division of a three-dimensional space. For a rectangular solid, multiplying H x W x D literally tells you the number of cubes (of the given unit of measurement) that can be contained within that space.
What is the best unit to measure 20 oranges?
A dimensionless unit - an integer (or counting number)!
What is a whole number used for measure?
Multiples of the unit of measurement.
How do you convert a degree into a number?
A degree is a unit of measure, it is not itself a number. It may be a measure of an angle or temperature or power. A degree cannot be converted to a number
