HOW IS 169 a perfect square?

HOW IS 169 a perfect square?

Is 169 a perfect square number? A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 169 is 13. Therefore, the square root of 169 is an integer, and as a consequence 169 is a perfect square.

Is square root of 169 a whole number?

As we have calculated further down on this page, the square root of 169 is a whole number. 169 is a perfect square.

Is 169 a rational number?

169 is a rational number because it can be expressed as the quotient of two integers: 169 ÷ 1.

Is 21.5 a rational number?

The number 21 is a rational number. It is an integer, or whole number, and all integers are rational numbers.

Is 0.9 a rational number?

YES, nine tenths (0.9) is a rational number because 0.9 satisfies the definition of a rational number. Other examples of rational numbers are: 1/2, 3/4, 22/7, 5 = 5/1, 2½ = 5/2, 0 = 0/1, and -.

Is negative 21 Irrational?

It is an irrational number and therefore real.

Is 4.5 rational or irrational?

4.5 is a rational number, as it can be represented as 9/2. Many important numbers in mathematics, however, are irrational, and cannot be written as ratios.

What is 2/3 as a whole number?

2/3 is strictly a fraction. It cannot be expressed as a whole number.

Is 15 a whole number?

Whole numbers are all of the natural numbers and zero. 0, 15, -365, 8,000,000, 5/16, 321/895, π, √2 any number on that line in any direction.

How many whole numbers are there between 1 and 10?

8 whole numbers

Is 100 a whole number?

The first 100 whole numbers are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74.