# Question: What Is The Positive Square Root Of 16?

## Is the square root of 16 negative 4?

In the realm of integers, square root of 16 is plus or minus 4.

Both, -4 and +4 are equal to square root of 16.

Yes, , so -4 is a square root of 16.

One of the square root., because as square is quadratic, there are two square roots..

## How do I calculate square root?

Examples.Finding square roots of of numbers that aren’t perfect squares without a calculator.Example: Calculate the square root of 10 ( ) to 2 decimal places.Find the two perfect square numbers it lies between.Divide 10 by 3. … Average 3.33 and 3. ( … Repeat step 2: 10/3.1667 = 3.1579.More items…

## What does √ mean?

square rootA square root of a number is a value that, when multiplied by itself, gives the number. … The symbol is √ which always means the positive square root.

## Is 16 a square number?

The result of multiplying an integer (not a fraction) by itself. Example: 4 × 4 = 16, so 16 is a square number.

## What is the square of negative 16?

√-16 = 4 i Note: since negative times negative equals positive, one could therefore conclude that -4 i is also a correct answer to the square root of negative 16.

## Is 16 a perfect number?

It is known that all even perfect numbers (except 6) end in 16, 28, 36, 56, 76, or 96 (Lucas 1891) and have digital root 1. In particular, the last digits of the first few perfect numbers are 6, 8, 6, 8, 6, 6, 8, 8, 6, 6, 8, 8, 6, 8, 8, …

## IS 400 a perfect square?

Answer: 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 400 is 20. Therefore, the square root of 400 is an integer, and as a consequence 400 is a perfect square.

## What is the value of 4 Root 16?

The value of root 4 is equal to exactly 2. But the roots could be positive or negative or we can say there are always two roots for any given number. Hence, root 4 is equal to ±2 or +2 and -2 (positive 2 and negative 2)….Square Root From 1 to 50.NumberSquare Root Value153.873164174.123184.24346 more rows

## What is the positive and negative square root of 16?

For example, the number -16 has no square roots because it is imposible to find a real number that when squared gives negative 16. When you square any real number, whether it is positive, negative, or 0, the result cannot be negative.

## What is the positive square root?

The positive square root is sometimes referred to as the principal square root. The reason that we have two square roots is exemplified above. The product of two numbers is positive if both numbers have the same sign as is the case with squares and square roots. a2=a⋅a=(−a)⋅(−a)

## What are two square roots of 16?

Table of Squares and Square RootsNUMBERSQUARESQUARE ROOT162564.000172894.123183244.243193614.35996 more rows

## Is 16 a perfect square?

16 is a perfect square because it can be expressed as 4 * 4 (the product of two equal integers).

## Why is it called a square root?

Originally Answered: Why is it called the ‘square’ root? Quite simply, because it is the root of the square. Multiplying a number by itself gives you a square (or rather, constructing two sets of equal but perpendicular lines from a mutual point gives you a square).
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