can the square root of 21 be simplified The square root of a number can be calculated using different methods Long Division method Average method 21 cannot be simplified any further So we can just express it as 7 3 Hence we cannot use the prime factorization
Simplifying Square Roots To simplify a square root make the number inside the square root as small as possible but still a whole number Example 12 is simpler as 2 3 Get your Can the Square Root of 21 Be Simplified 21 can be simplified only if you can make 21 inside the radical symbol smaller This is a process that is called simplifying the surd
can the square root of 21 be simplified
can the square root of 21 be simplified
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Explanation 21 3 7 has no square factors that can be moved outside the square root sign For example 12 22 3 22 3 2 3 So 21 cannot be simplified It If any of its factors are square numbers 4 9 16 25 36 49 64 and so on then you can simplify the square root Why are these numbers square They can be respectively expressed as 2 3 4 5 6 7 and so on According to the
What about roots that aren t equal to an integer like 20 Still we can write 20 as 4 5 and then use known properties to write 4 5 as 4 5 which is 2 5 We simplified 20 How to simplify square root of 21 In order to simplify square root of 21 by using prime factorization you follow these steps Find prime factors of 21 Group the factors in 2 in such a
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Since 1 is the only perfect square above the square root of 21 cannot be simplified However you may be interested in the decimal and exponent form instead Square root of 21 in Decimal To simplify a square root start by dividing the square root by the smallest prime number possible For example if you re trying to find the square root of 98 the smallest prime
Learn how to find the Square Root of 21 using methods like Prime factorization Long division and more Perfect for Math lovers To simplify the expression 21 14 2 35 7 7 20 we can start by simplifying the square roots 21 can be written as 3 x 7 and 14 can be written as 2 x 7 Similarly 35 can be
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can the square root of 21 be simplified - Explanation 21 3 7 has no square factors that can be moved outside the square root sign For example 12 22 3 22 3 2 3 So 21 cannot be simplified It