The Handy Math Answer Book
pair of rabbits can reproduce per year—is formed by adding the two preceding num- bers to find the next number, starting with a ...
How can we simplify expressionsusing exponents? The following are ways to solve simple mathematical expressions with the same ba ...
How do you convertfrom the binaryto the decimal systemand vice versa? Besides the decimal system, one of the most familiar numbe ...
Why do mathematicians and scientists often use scientific notation? In scientific notation, scientists generally pick the power ...
What prefixesdefine the powers of ten? Many standard prefixes are used to represent powers of ten, most of which are employed qu ...
additive inverse add up to 0); and, finally, it is the starting point in measurements. The zero symbol is also called a cipher ( ...
What does carrymean in addition? In addition, carrydefines a way in which larger numbers are added. In this arithmetic operation ...
the next highest digit column in order to obtain a positive difference in the nearby column. For example, borrowing is evident i ...
deals with the whole numbers. Here is one example: Where did the symbolsfor multiplicationoriginate? The 17th century seems to b ...
What is division? The word “divide” comes from the Latin root vidua(referring to a separation; the word “divide” shares its majo ...
writers before Rahn as a minus sign.) In 1668, when Rahn’s book was translated into English with additions by English mathematic ...
case, the number is 24: Multiply 1/6 4/4 and 1/8 3/3, to change each addend to some number of “24ths”; or 1/6 4/4 4/24; and ...
What is prime factorization? Many of us are most familiar with prime factorization, which is a way of taking a num- ber and brea ...
numerator of a fraction is larger than the denominator, such as 23/7—it is called an improper fraction. How are fractions conver ...
then simplify the resulting fraction, if needed (or if you can). For example, 2/5 4/7 (2 4)/(5 7) 8/35 (this number can’t b ...
3/3 (1 3)/(4 3) 3/12; therefore, the equivalent fraction in this case is 1/4 3/12 (the equal sign is used to represent eq ...
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FOUNDATIONS AND LOGIC What are the foundations of mathematics? The foundations of mathematics include how to formulate and analy ...
between logical validity (also known as the formal properties of the inference process) and truth. This also means that a true r ...
works were based on ordinary language— making them a matter of interpretation and subject to ambiguities. It was not until the d ...
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