What approximate value should replace the question mark (?) in the following expression?

$$23.94 imes 17.91 + 64.89 imes 59.98 = ?$$

Question

What approximate value should replace the question mark (?) in the following expression?

$$23.94 	imes 17.91 + 64.89 	imes 59.98 = ?$$

Accepted Answer

**Solution:**

1. First, approximate each number to a simpler value for easier calculation:
   - $23.94 \approx 24$
   - $17.91 \approx 18$
   - $64.89 \approx 65$
   - $59.98 \approx 60$

2. Multiply the approximated values:
   - $24 	imes 18 = 432$
   - $65 	imes 60 = 3900$

3. Add the two results:
   $$432 + 3900 = 4332$$

4. The closest option to $4332$ is $4330$.

**Answer:** $4330$

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