Answer:
2. in plotting irrational numbers on a number line, example square root of 2, like number 1,
2. in plotting irrational numbers on a number line, example square root of 2, like number 1,square root of 2 is equal to 1.414, you can say that it is more than 1 but less than 1, therefore, square root of 2 is between 1 and 2.
\ hope it helps