what is the square root of 1.44

what is the square root of 1.44

The Correct Answer and Explanation is:

The square root of 1.44 is 1.2.

To understand why, let’s break it down step by step:

  1. What does square root mean?
    The square root of a number is a value that, when multiplied by itself, gives the original number. In other words, we are looking for a number that, when squared (multiplied by itself), will result in 1.44.
  2. How do we find the square root of 1.44?
    To calculate the square root of 1.44, we could use a calculator, or for a more manual method, we can look for a number that is easy to square and approximates 1.44. For example:
    • 1.2×1.2=1.441.2 \times 1.2 = 1.441.2×1.2=1.44
  3. Why is the square root of 1.44 exactly 1.2?
    When you multiply 1.2 by itself, the result is exactly 1.44. This is the key property of square roots: the square of 1.2 (or 1.221.2^21.22) gives us the original number 1.44. This verifies that the square root of 1.44 is precisely 1.2.
  4. Is 1.44 a rational number?
    Yes, since 1.44 can be written as the fraction 144100\frac{144}{100}100144​, it is a rational number. This means its square root (1.2) is also a rational number because it can be expressed as a finite decimal (1.2).

To sum it up, the square root of 1.44 is 1.2, and it can be verified by squaring 1.2, which results in 1.44.

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