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24 Cards in this Set

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Q. What is a NATURAL NUMBER?
A. The counting numbers. Zero is not included.
Q. What is a WHOLE NUMBER?
A. Any positive integer or zero. AKA the counting numbers or natural numbers plus zero.
Q. What is an INTEGER?
A. Any of the natural numbers (1, 2, 3, etc), the negatives of these numbers, or zero.
Q. What is a REAL NUMBER?
A. Any rational or irrational number, or in other words, any number on the number line.

Retronym: Imaginary Number
Q. What is ABSOLUTE VALUE?
A. The distance of a number from zero.
Q. What is SCIENTIFIC NOTATION?
A. The expression of very large or very small numbers in the form n*10^x
Q. What is a MULTIPLE?
A. The product of a whole number and any other whole number?
Q. What is a QUOTIENT?
A. The answer in division.
Q. What is a DIVIDEND?
A. The number to be divided.
Q. What is a DIVISOR?
A. The number by which the dividend is divided, or one of two integers what can be exactly divided into another integer - aka a FACTOR.
Q. What is an EVEN INTEGER?
A. An EVEN INTEGER is a multiple of 2, or, in other words, any integer that when divided by 2 results in another integer.
Q. What is an ODD INTEGER?
A. An ODD INTEGER is NOT a multiple of 2, or, in other words, any integer that when divided by 2 results in a remainder of 1.
Q. An ODD # multiplied by an ODD # will always equal ________?
A. Another ODD #.
Q. An ODD # multiplied by an EVEN # will always equal ________?
A. An EVEN #
Q. EVEN #'s can be divided evenly by ________?
A. Either ODD or EVEN #'s.
Q. ODD #'s can be divided evenly by ________?
A. Only another ODD #.
Q. How is a number converted to SCIENTIFIC NOTATION?
A.
1) Move the decimal behind the first non-zero integer.
2) Count the number of positions the decimal was moved, which is x.
3. Convert to final form n*10^x
Q. What are the PRIME NUMBERS < 102?
A. 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101.
Q. How is the LOWEST COMMON DENOMINATOR found.
A.
1) Reduce each denominator to primes.
2) Find the product of the highest multiple for each prime # in the denominator.

Ex. 1/3 + 1/9 + 1/2; deminators convert to [3]+[3*3]+[2]; 9*2=18
Q. What is a PRIME NUMBER?
A. Any whole number > 1 with only two factors, 1 and itself.
Q. How is the PERCENTAGE INCREASE determined when a value increases to a new value?
A. ∆%=((FV-PV)/PF)*100

PERCENTAGE CHANGE = ((Future Value-Present Value)Present Value)*100

A positive answer is an increase.
Q. How is the PERCENTAGE DECREASE determined when a value increases to a new value?
A. ∆%=((FV-PV)/PF)*100

PERCENTAGE CHANGE = ((Future Value-Present Value)Present Value)*100

A negative answer is a decrease.
Q. How is a new value calculated when the old value increases by x% ?
A. Multiply the old value by (1+x/100).
Q. How is the new value calculated when the old value decreases by x% ?
A. Multiply the old value by (1-x/100).