Square Root Of 990 In Simplest Radical Form

Simplify the square root of 990 to its lowest radical form.

ANSWER: 3√110

3√110 is in the lowest radical form.

Simplified Radical Form of √990

One of the main facts used to simplify square roots is that the square root of a product is equal to the product of square roots: √(x×y) = √x×√y

Explanation:

When we find square root of any number, we take one number from each pair of the same numbers from its prime factorization and we multiply them.

Step 1: List Factors

To simplify √990, we need to divide into factors.

√990 = √2 x √3 x √3 x √5 x √11

Step 2: List Perfect Squares

1 is a perfect square and divides 990
9 is a perfect square and divides 990

Step 3: Divide To Perfect Square

Divide 990 by the largest perfect square you found in the previous step:

Step 4: Calculate The Square Root

Calculate the square root of the largest perfect square:

Final Step :

Put Steps 3 and 4 together to get the square root of 990 in its simplest form: 3√110

How do you simplify √990

The general approach is to first check if it is a perfect square. If so, you have the answer. If it is not a perfect square, see if any of its factors are perfect squares, or can be combined to make square numbers.

Find the lowest prime number that can divide 990. Divide 990 repeatedly using the long division method till you reach 1.

A pair of factor 'twins' under a square root sign (radical) form a single factor outside of it.

Factors that do not have a twin remain under the radical. Multiply them back together and leave them in there.

So, the answer is 3√110.

Simplified Decimal Form of √990

The square root of 990 is approximately 31.464 when expressed in decimal form and you can find additive inverse of a decimal number.

Calculation Table:

Square Root Answer Calculation
√6 Square root of 6 is the simplest radical form. √2 x √3
√57 Square root of 57 is the simplest radical form. √3 x √19
√69 Square root of 69 is the simplest radical form. √3 x √23
√205 Square root of 205 is the simplest radical form. √5 x √41
√497 Square root of 497 is the simplest radical form. √7 x √71
√483 Square root of 483 is the simplest radical form. √3 x √7 x √23
√8609 Square root of 8609 is the simplest radical form. √8609
√9303 Square root of 9303 is the simplest radical form. √3 x √7 x √443
√6703 Square root of 6703 is the simplest radical form. √6703

Convert any root forms to simplest radical form.

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