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9 Cards in this Set

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  • Back
what is integer?
Integer is any number including positve, negative and zero; excluding decimal numbers
what is zero remainder?
for example, when 4 is divided by 2, then it will be zero remainder
what is prime number?
Prime number refers the number that can only be divided by 2 divisors ie 1 an itself.

So, 1 is not a prime number as it has only one divisor and 14 is not a prime number as its divisors include 1, 14, 2, 7.
When the numerator and denominator both is multiplied by the same integer, then will the resulting fraction be equivalent to the orginal fraction?

a/b = a*2 / b*2
Convert decimal into fraction:

1. example: 6.17

2. example: 0.02%
1. Since convert 6.17 into 617, we need to move the decimal 2 places to the right =
617 / 100

2. convert into decimal first -> 0.0002
then convert decimal into fraction -> 2 / 10000 = 1/5000
what is exponent and square root?
"Exponent" is measured the number of times which a number is multiplied by itself

"Square root" is measured a number which is squared to itself.
what is real number?
real number refers to all numbers including decimal numbers
Convert 30% into fraction
= 30/100
Convert 0.03 into %

Convert 34% into decimal number
0.03 -> move 2 decimal places to the right -> 3%

34% -> move 2 decimal places to left -> 0.34