Approximately how many pennies would you have to stack to reach an average 8-foot ceiling? A) 2 × 10³ B) 2 × 10² C) 2 × 10⁴ D) 2 × 10⁵ E) 2 x 10⁶

Name: Approximately how many pennies would you have to stack to reach an average 8-foot ceiling? A) 2 × 10 3 B) 2 × 10 2 C) 2 × 10 4 D) 2 × 10 5 E) 2 x 10 6
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An average penny is about 1.52 mm thick. An 8-foot ceiling is about 2438.4 mm high. Dividing 2438.4 mm by 1.52 mm/penny gives approximately 1604 pennies, which is closest to 2 × 10^3.

Approximately How Many Pennies Would You Have to Stack to Reach