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No, a real number could also be a rational number, an integer, a whole number, or a natural number. Irrational numbers fall into the same category of real numbers, but every real number is not an irrational number.
On a number line, 2.6 would fall between 2 and 3. The number line represents the continuum of real numbers, with each point corresponding to a unique value. So, 2.6 would be located closer to 3 than to 2 on the number line.
The decimal between 0.2 and 0.4 is 0.3. Decimals are a way to represent numbers that fall between whole numbers, with each place value to the right of the decimal point representing a fraction of a whole number. In this case, 0.3 is halfway between 0.2 and 0.4 on the number line, making it the numerical value that fits the criteria specified.
Any number greater than -50 would fall to the right of -50 on the number line. This includes all integers from -49 to positive infinity, as well as any decimal or fraction greater than -50. In interval notation, this set of numbers would be represented as (-50, ∞).
The number of predators also fall, because when their preys die, they will have a decrease in the amount of their food, thus making most of them hungry, and will lead to death. So it will just be like saying what will happen to people when the number of cows, pigs, and chickens will decrease. Of course! Many people would die beacause of hunger and the number of people (who are the predators) will also decrease. Hope you understood it! Good Luck!