The first digit could be 9 7 5 or 1
The 2nd digit could be 9 7 5 or 1
The third digit could be 9 7 5 or 1
The fourth digit could be 9 7 5 or 1
4 possibilities * 4 * 4 *4= 256 possibilities
I'm pretty sure the answer is <span>30 km</span>
The answer is 4√7.
Area (A) of a square can be expressed as the square of its side (a):
A = a²
It is given:
A = 112 ft² = a²
⇒ a² = 112 ft²
⇒ a = √112 = √(16*7) = √16 * √7 = √(4²) * √7 = 4 * √7 = 4√7
The decimal point should move all the way behind '4'. Therefore the answer is 8714.0
