Calculate (2/3)²: Evaluating the Square of a Fraction

Question

Insert the corresponding expression:

(23)2= \left(\frac{2}{3}\right)^2=

Video Solution

Solution Steps

00:00 Simplify the following problem
00:03 According to the power laws, a fraction raised to a power (N)
00:08 equals both the numerator and denominator raised to the same power (N)
00:11 We will apply this formula to our exercise
00:17 Let's calculate each power and substitute accordingly
00:25 This is the solution

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Apply the exponentiation rule to the fraction 23\frac{2}{3}.
  • Calculate 222^2 and 323^2.
  • Form the result as a fraction.
  • Compare the result to the provided choices and select the correct one.

Now, let's work through each step:

Step 1: The expression given is (23)2\left(\frac{2}{3}\right)^2.

Step 2: According to the exponentiation rule, we apply the exponent to both the numerator and the denominator:
(23)2=2232\left(\frac{2}{3}\right)^2 = \frac{2^2}{3^2}.

Step 3: Calculate 222^2 and 323^2:
22=42^2 = 4, and 32=93^2 = 9.

Step 4: Form the resultant fraction:
Thus, 2232=49\frac{2^2}{3^2} = \frac{4}{9}.

Step 5: Finally, compare this result with the given choices:
Our result 49\frac{4}{9} matches with choice 2.

Therefore, the solution to the problem is 49 \frac{4}{9} .

Answer

49 \frac{4}{9}