Unit 1: 2 Truths 1 Lie..

Front

What is Scientific Notation?

Back

A way to express very large or very small numbers using powers of ten. For example, 93000000 can be written as 9.3 x 10^7.

Front

What is a Perfect Square?

Back

A number that can be expressed as the product of an integer with itself. For example, 16 is a perfect square because it is 4 x 4.

Front

What is an Irrational Number?

Back

A number that cannot be expressed as a fraction of two integers. Examples include √2 and π.

Front

What is a Rational Number?

Back

A number that can be expressed as a fraction of two integers, where the denominator is not zero. Examples include 1/2, 3, and -4.

Front

What is a Natural Number?

Back

The set of positive integers starting from 1, 2, 3, and so on. Natural numbers do not include zero or negative numbers.

Front

What is an Integer?

Back

A whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What does 'negative power' mean in Scientific Notation?

Back

It indicates that the number is a fraction. For example, 7.53 x 10^-10 means 7.53 divided by 10^10.

Front

What is the difference between Rational and Irrational Numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions.

Front

What is a Real Number?

Back

All the numbers on the number line, including rational and irrational numbers.

Front

What is a Perfect Square Root?

Back

The number that, when multiplied by itself, gives a perfect square. For example, the square root of 16 is 4.