Middle School

Polly's parents' car weighs about 3500 pounds. Samantha, Esther, and Polly each wrote the weight of the car in scientific notation.

- Polly wrote \( 35.0 \times 10^2 \)
- Samantha wrote \( 0.35 \times 10^4 \)
- Esther wrote \( 3.5 \times 10^3 \)

A. Which of these girls are correct?

B. Explain the mistakes of those who got the question wrong.

Answer :

Esther is correct, the first number to a scientific notation has to be above 0 but under 10
Esther is correct. The other two misplaced the decimal place.

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