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What approximate value will come in plac...

What approximate value will come in place of the question mark (?) in the following question?
`((3. 0 7)/(4.01))^(2) xx 127.96 + 442.02 = ?`

A

529

B

514

C

503

D

497

Text Solution

AI Generated Solution

The correct Answer is:
To solve the equation \(\left(\frac{3.07}{4.01}\right)^2 \times 127.96 + 442.02 = ?\), we will follow these steps: ### Step 1: Approximate the values We will round the numbers to make calculations easier: - \(3.07 \approx 3\) - \(4.01 \approx 4\) - \(127.96 \approx 128\) - \(442.02 \approx 442\) ### Step 2: Substitute the approximated values Now, we substitute the approximated values into the equation: \[ \left(\frac{3}{4}\right)^2 \times 128 + 442 \] ### Step 3: Calculate \(\left(\frac{3}{4}\right)^2\) Calculating \(\left(\frac{3}{4}\right)^2\): \[ \left(\frac{3}{4}\right)^2 = \frac{9}{16} \] ### Step 4: Multiply by 128 Now, we multiply \(\frac{9}{16}\) by 128: \[ \frac{9}{16} \times 128 = \frac{9 \times 128}{16} = \frac{1152}{16} = 72 \] ### Step 5: Add 442 Finally, we add 442 to the result: \[ 72 + 442 = 514 \] ### Final Answer Thus, the approximate value that will come in place of the question mark (?) is: \[ \boxed{514} \]
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