19 is a prime number so 1, 19
hope this helps!
A natural number is a positive integer, example, 1,2,5,299 etc.
A rational number is a number that can be expressed as a fraction of integers, such as 245/127, 1/2, 5/1,8/1,...
Since a natural number can be expressed as a fraction of integers, so
a natural number IS a rational number.
It would be a lot better if you zoomed in for these since it’s nearly impossible to read.
Answer:
the answer is B
Step-by-step explanation:
Just estimate ex: 5 x 5 would be 25, so sqrt 22 would be just before the 5.
Step-by-step explanation:
-28÷4=2
-7=2
= -7-2
= -9 is the correct answer..