The speed of light is approximately 3 x 10⁸ meters per second. If a signal travels for 2 x 10⁻² seconds, how far does it travel in meters?
✓ Correct Answer: Option A
Distance = Speed × Time. (3 × 10⁸) × (2 × 10⁻²) = (3 × 2) × 10^(8 + (-2)) = 6 × 10⁶ meters.