Answer:
2nd choice: The ball first bounced up to the height of 2 meters, and then falls 2 meters towards the ground
Step-by-step explanation:
50,000 mm=5,000 cm=500 decimeter=50 m=5 decameter
so both are equal.
A. a testable scientific question
1. B. 9
2. A. 4
3. D. 9 × 9 × 9 × 9
4. C. 6,561
