At their closest recorded distance apart, which was 34.8 million miles, it would take 182 seconds (just over three minutes). At their maximum possible distance apart, which is 250 million miles, it would take approximately 22 minutes for the signal to reach Mars.
video on the cost of concrete floors depending on the level of complexity concrete floors can cost as little as $ 2 to $ 6 a square foot or be as expensive as $ 15 to $ 30 a square foot
What is The Average Cost of Concrete Slabs Per Square Foot. The cost of concrete slabs will vary depending upon the size and depth of the slab as well as other factors. The average cost of a concrete slab will be between $5 and $7 dollars per square foot or $135 and $189 per cubic yard. Once the slab size is determined, then it is time to calculate the amount of concrete that will be needed. Concrete is sold per cubic yard which is 27 square feet.