Iron Has a Density of 7

question 128

Multiple Choice

Iron has a density of 7.87 g/cm³. What mass of iron would be required to cover a football playing surface of 120 yds × 60. yds to a depth of 1.0 mm? (1 inch = 2.54 cm)

• A) 76 kg
• B) 47 Mg
• C) 7.6 × 10⁵ g
• D) 4.7 × 10⁸ g
• E) 1.9 × 10⁷ g

---

Definitions:

Present Moment

The current point in time, emphasizing focus and mindfulness on the immediate situation or experience without distraction.

Quiet The Mind

Refers to practices or techniques aimed at reducing mental chatter or noise, typically to achieve greater peace, focus, or mindfulness.

Heighten Awareness

Increasing one's perception and cognitive attention towards both internal and external environments.

Technology

The application of scientific knowledge for practical purposes, especially in industry.