1 An integer is a number that has no fractional part, and no digists after the decimal point. An integer can be positive, negative or zero. example 12, 34,-4,0 etc.
2. A natural number is a number that occurs commonly and obviously in nature. As such it is a whole, non -negative number. The set of natural numbers, denoted N, can be defined in either of two ways : N = (0,1,2,3,.......)
Answer:

Step-by-step explanation:
4 times 4 is 16 so while both are in power so we can do this like that
Answer:
-6n + 8
Step-by-step explanation:
-8n + 2n = -6n
11 - 3 = 8
Hope this helps :)
Answer: Answer is $21
Step-by-step explanation:
Using the equation C = P + (P)(T)
where P= $20
T= 5%; 5/100 = 0.05
Substitute the figures in the equation,
$20 + $20 (0.05)
Apply BODMAS and open bracket first
$20 + $1
= $21
Answer:
2.4
Step-by-step explanation: