Square Root Of 7220 In Simplest Radical Form

Simplify the square root of 7220 to its lowest radical form.

ANSWER: 38√5

38√5 is in the lowest radical form.

Simplified Radical Form of √7220

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 √7220, we need to divide into factors.

√7220 = √2 x √2 x √5 x √19 x √19

Step 2: List Perfect Squares

1 is a perfect square and divides 7220
4 is a perfect square and divides 7220
361 is a perfect square and divides 7220
1444 is a perfect square and divides 7220

Step 3: Divide To Perfect Square

Divide 7220 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 7220 in its simplest form: 38√5

How do you simplify √7220

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 7220. Divide 7220 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 38√5.

Simplified Decimal Form of √7220

The square root of 7220 is approximately 84.971 when expressed in decimal form.

Calculation Table:

Square Root Answer Calculation
√28 2√7 √2 x √2 x √7
√6 Square root of 6 is the simplest radical form. √2 x √3
√40 2√10 √2 x √2 x √2 x √5
√598 Square root of 598 is the simplest radical form. √2 x √13 x √23
√708 2√177 √2 x √2 x √3 x √59
√779 Square root of 779 is the simplest radical form. √19 x √41
√2506 Square root of 2506 is the simplest radical form. √2 x √7 x √179
√1467 3√163 √3 x √3 x √163
√3888 36√3 √2 x √2 x √2 x √2 x √3 x √3 x √3 x √3 x √3

Convert any root forms to simplest radical form.

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