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In the question provided, we need to evaluate which estimate, Kanya's or Mali's, is closer to the actual number of attendees, 54,600.

Kanya's estimate: \(6 \times 10^5\) which equals 600,000.
Mali's estimate: \(5 \times 10^4\) which equals 50,000.

Comparing these to the actual attendance:
- Kanya's estimate is 600,000, which is significantly higher than the actual 54,600.
- Mali's estimate is 50,000, which is much closer to the actual number.

Thus, the statement that is true about whose estimate was better is:

"Mali's estimate is better because \(5 \times 10^4\) is equivalent to 50,000."

This is the closest estimate to the actual attendance of 54,600. Would you like more detail on this or any other mathematical concept?

1. How would rounding affect the estimates if we used different significant figures?
2. What would be the percentage error for each estimate compared to the actual number?
3. How do powers of ten influence quick estimations like these in real-life scenarios?
4. Can we explore different methods of estimation for large numbers?
5. What is the significance of using scientific notation in daily life and education?

**Tip:** When comparing numerical estimates, consider using the absolute error or percentage error to quantify which estimate is closer to the actual value.

Which statement is true about whose estimate was better?

Learn how to estimate numbers using scientific notation and rounding. This problem involves comparing estimates of 54,600 attendees using powers of ten and determining which estimate is closer to the actual number. Suitable for students in Grades 6-8.

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