Concept explainers
To write: The square root of 49 in radical notation and exponential notation.
Answer to Problem 1RE
The raidcal notation for square root of 49 is
Explanation of Solution
Procedure used:
To write roots using radical and exponential notation:
“1. Identify the index of the root.
2. For radical notation, place the index of the root in the portion of the radical sign with the radicand under the bar portion of the sign. The index 2 for square roots does not have to be written.
3. For exponential notation, write the radicand as the base and index of the roots as the denominator of a fraction exponent that thas a numerator of 1. The decimal equivalent of the fractional exponent can also be used”.
Calculation:
In square root of 49, it is observed that the radicand is 49 and index of the root is 2.
Thus, the radical notation for square root of 49 represented as
Write the exponential notation for square root of 49 as follows.
The base of the exponent is 49 and the denominator of the fractional exponent is 2.
That is,
Therefore, the radical notation for square root of 49 is
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Chapter 12 Solutions
College Mathematics for Trades and Technologies (10th Edition) (What's New in Trade Math)
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