Answer:
<h2>R = 16 in</h2>
Step-by-step explanation:
The formula of a Surface Area of a sphere:
![S.A.=4\pi R^2](https://tex.z-dn.net/?f=S.A.%3D4%5Cpi%20R%5E2)
R - radius
We have
![S.A.=1024\pi\ in^2](https://tex.z-dn.net/?f=S.A.%3D1024%5Cpi%5C%20in%5E2)
Substitute:
<em>divide both sides by π</em>
<em>divide both sides by 4</em>
![R^2=256\to R=\sqrt{256}\\\\R=16\ in](https://tex.z-dn.net/?f=R%5E2%3D256%5Cto%20R%3D%5Csqrt%7B256%7D%5C%5C%5C%5CR%3D16%5C%20in)
Answer:
12 square cm correct to 2 significant figures
Step-by-step explanation:
Area of a Rectangle = L X B = 2.1 X 5.6 = 11.76 square cm
To round your result to 2 significant figure, we start counting from the left from the first non-zero digit.
The first two digits are 11 but because the number after is 7 (greater than 4), we round up to 12.
11.76 square cm = 12 square cm correct to 2 significant figures
All of them
But if u had to pick one I would say addition or subtraction
Answer:
The answer is 72 inches in 24 hours.
Step-by-step explanation:
If 3 inches tall per hour, and you need to find the amount of rain in 24 hours, you just need to multiply the number of inches per hour by the number of hours required (24 hours):
3×24=72 inches
Answer:
The definition of Acre is a unit of land area equal to 4,840 square yards (0.405 hectare). :)
Step-by-step explanation: