Math

Front 1

what is integer?

Back 1

Integer is any number including positve, negative and zero; excluding decimal numbers

Front 2

what is zero remainder?

Back 2

for example, when 4 is divided by 2, then it will be zero remainder

Front 3

what is prime number?

Back 3

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.

Front 4

When the numerator and denominator both is multiplied by the same integer, then will the resulting fraction be equivalent to the orginal fraction?

Back 4

Yes!

a/b = a*2 / b*2

Front 5

Convert decimal into fraction:

1. example: 6.17

2. example: 0.02%

Back 5

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

Front 6

what is exponent and square root?

Back 6

"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.

Front 7

what is real number?

Back 7

real number refers to all numbers including decimal numbers

Front 8

Convert 30% into fraction

Back 8

= 30/100

Front 9

Convert 0.03 into %

Convert 34% into decimal number

Back 9

0.03 -> move 2 decimal places to the right -> 3%

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