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What approximate value will come in plac...

What approximate value will come in place of the question mark(?) in the given questions? (You are not expected to calculate exact value)
`sqrt1224-sqrt?=16.03-8.97`

A

576

B

676

C

784

D

841

Text Solution

AI Generated Solution

The correct Answer is:
To solve the equation \( \sqrt{1224} - \sqrt{?} = 16.03 - 8.97 \), we will follow these steps: ### Step 1: Simplify the right side of the equation First, we need to calculate the right side of the equation: \[ 16.03 - 8.97 \approx 16 - 9 = 7 \] ### Step 2: Rewrite the equation Now, we can rewrite the equation with the simplified right side: \[ \sqrt{1224} - \sqrt{?} = 7 \] ### Step 3: Isolate \( \sqrt{?} \) Next, we will isolate \( \sqrt{?} \): \[ \sqrt{?} = \sqrt{1224} - 7 \] ### Step 4: Approximate \( \sqrt{1224} \) To find \( \sqrt{1224} \), we can approximate it. We know that \( \sqrt{1225} = 35 \), so we can say: \[ \sqrt{1224} \approx 35 \] ### Step 5: Substitute the approximation back into the equation Now we substitute this approximation back into our equation: \[ \sqrt{?} \approx 35 - 7 = 28 \] ### Step 6: Square both sides to find \( ? \) Now we square both sides to find the value of \( ? \): \[ ? \approx 28^2 = 784 \] ### Conclusion Thus, the approximate value that will come in place of the question mark (?) is: \[ \boxed{784} \]
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