the top number is the exponent, the bottom number is the root.
15)
=
16)
= ![16\sqrt[4]{x^{3} }](https://tex.z-dn.net/?f=16%5Csqrt%5B4%5D%7Bx%5E%7B3%7D%20%7D)
She will need 14 yards string the lights because there are 3 feet in one yard and you have 14 feet in one yards
Data:
h (<span>Tower height) = 120 ft
d (</span><span>Distance from the base of the tower to the airplane) = ?
</span>

(<span>Angle formed from observation of the tower to the airplane)=19º
Data: tg 19º </span>≈ 0.34
<span>
Note: </span><span>The angle formed is tangent to the height of the tower and the distance from the base of the tower to the airplane.
</span><span>Formula:
</span>

<span>
Solving:
</span>








Answer:
<span>
Distance from the base of the tower to the airplane is aproximately 352.9 ft</span>
If we take hydrogen as an example, the size of hydrogen is about 25000 times larger than that of its proton. 1 Mile is roughly <span>5280 ft, which means that the size of the entire hydrogen atom would be </span>4.73 miles in diameter.