what is the difference between float double and decimal?
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The Decimal, Double, and Float variable types are different in the way that they store the values. Precision is the main difference where float is a single precision (32 bit) floating point data type, double is a double precision (64 bit) floating point data type and decimal is a 128-bit floating point data type.
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Integers and floats are two different kinds of numerical data. An integer (more commonly called an int) is a number without a decimal point. A float is a floating-point number, which means it is a number that has a decimal place. Floats are used when more precision is needed.
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Float is Approximate-number data type, which means that not all values in the data type range can be represented exactly. Decimal/Numeric is Fixed-Precision data type, which means that all the values in the data type range can be represented exactly with precision and scale. You can use decimal for money saving.
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What is the difference between int, char, float & double data types? Integer data type allows a variable to store numeric values. The storage size of int data type is 2 or 4 or 8 byte. ... Double data type is also same as float data type which allows up-to 10 digits after decimal.
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Answer: 1 decimal equals to 435.6 sq feet. 1 decimal equals to 435.6 sq feet. Decimal is a unit of area in India and Bangladesh approximately equal to 1/100 acre (40.47 m²) = 435.6 sq feet.
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Double takes more space but more precise during computation and float takes less space but less precise. According to the IEEE standards, float is a 32 bit representation of a real number while double is a 64 bit representation. In Java programs we normally mostly see the use of double data type.
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A decimal number is just a fractional number. ... Therefore, when decimals are compared start with tenths place and then hundredths place, etc. If one decimal has a higher number in the tenths place then it is larger than a decimal with fewer tenths. If the tenths are equal compare the hundredths, then the thousandths etc.
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Though both float and double datatype are used to represent floating-point numbers in Java, a double data type is more precise than float. A double variable can provide precision up to 15 to 16 decimal points as compared to float precision of 6 to 7 decimal digits.
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Money and Decimal are fixed numeric datatypes while Float is an approximate numeric datatype. Results of mathematical operations on floating point numbers can seem unpredictable, especially when rounding is involved.
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The nonintegral numeric data types are Decimal (128-bit fixed point), Single Data Type (32-bit floating point), and Double Data Type (64-bit floating point). They are all signed types. If a variable can contain a fraction, declare it as one of these types.
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double: The double data type is a double-precision 64-bit IEEE 754 floating point. Its range of values is beyond the scope of this discussion, but is specified in the Floating-Point Types, Formats, and Values section of the Java Language Specification. For decimal values, this data type is generally the default choice.
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When you are rounding a number to 2 decimal places, you are trying to reduce your decimal to the closest decimal with 2 decimal places. How to round a number to 2dp (2 decimal places) Look at the 3rd decimal digit (the digit after the hundredths digit).
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["i = 100 f = 1.23 print(type(i)) print(type(f)) # <class 'int'> # <class 'float'> ... ", 'print(isinstance(i, int)) # True print(isinstance(i, float)) # False print(isinstance(f, int)) # False print(isinstance(f, float)) # True.']
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What factor of a measurement tool determines the significant figures of a measured value? -The difference between 1.05 and 1.050 is that 1.050 is more accurate. It shows that the measurement has been taken from the thousandth decimal place and therefore the most precise.
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Multiplying a decimal by a whole number. Multiplying a decimal by a whole number uses the same method as multiplying two whole numbers. Remember: If there is one digit after the decimal point in the question, there will be one digit after the decimal point in the answer.
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1 is a whole. All decimals are part of 1. The closer a decimal is to 1, the larger the decimal is. Let's use place value to figure out which number is closer to one then compare the values.
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Answer and Explanation: The decimal 0.5 is equal to the fraction 1/2.