Example: Find the square root. √ 49 indicates the positive square root of 49. Since 7×7 is 49, √ 49 =7.
Q: What is the place value chart for the number 49?
Hence, the square root of 49 is a rational number. In this lesson, we will explore the concept of the square root of 49. Select/Type your answer and click the “Check Answer” button to see the result.
|Square root of 49 is 9.||TrueTrue – Square root of 49 is 9.||FalseFalse – Square root of 49 is 9.|
The absolute value of -51 is 51. The absolute value of 51 is 51. The absolute values of 5 and -5 are both 5.
√ 49 = 7 – 7 is an integer → number 49 is a perfect square.
Every positive number has 2 square roots, one positive and another one is negative. Square root of 49 is ±7, because you can obtain 49 by multiplying two 7’s or two (-7)’s.
Answer: The place of value is once.
Q: What is the place value chart for the number 48?
Q: What is the place value chart for the number 129?
The number 48 is not a perfect square. When we want to find the square root of a number that isn’t an obvious perfect square, we have a couple of options. Of course, we can always use a calculator and round to an acceptable decimal place.
The square root of 49 in mathematical form is written with the radical sign like this √ 49. We call this the square root of 49 in radical form.
Some other rational square root numbers are: √9, √16, √36, √ 49, √64. log10 x is 2 when x = 100. 2 is an integer, it is rational.
The absolute value (or modulus) | x | of a real number x is the non-negative value of x without regard to its sign. For example, the absolute value of 5 is 5, and the absolute value of −5 is also 5. The absolute value of a number may be thought of as its distance from zero along real number line.