Hong Kong - Tiananmen Square remembered

Why are numbers considered fundamental in various fields?

• They are used for counting only.

• They are only used in mathematics.

• They help in organizing data.

• They have no real-world application.

Which of the following is a characteristic of prime numbers?

• They are divisible by any number.

• They are greater than 100.

• They have exactly two distinct positive divisors.

• They are always even.

What distinguishes rational numbers from irrational numbers?

• Rational numbers can be expressed as a fraction.

• Irrational numbers are always negative.

• Rational numbers are always whole numbers.

• Irrational numbers can be expressed as a fraction.

How are numbers used in financial planning?

• To avoid budgeting.

• To calculate expenses and savings.

• To create random guesses.

• To ignore financial trends.

In what way do numbers assist in scientific research?

• They are used to confuse results.

• They help in quantifying observations.

• They are used to eliminate data.

• They are irrelevant to experiments.