So, I assumed that I had my unit conversion an abilities down, yet after attempting this problem, ns guess ns don't. It appears that I'm having troubles converting back and forth in between squared units.
You are watching: How many square miles is this? (1 acre = 43,560 ft2, 1 mile = 5280 ft).
The difficulty I'm given is: full U.S. Farmland occupies 954 million acres. How many square mile is this? (1 acre = 43,560 ft2, 1 mile = 5280 ft).
The method I check this problem was by doing this:
954 acre * <( 43,560 ft2 )/( 1 acre )> = 41,556,240 ft2 * <( 1 mile2 )/( 5280 ft2 )> = ( 41,556,240/5280 ) * 106 miles2
As you deserve to see, i waited till the end to tack on the 106, however I don't believe this is the problem. Ns looked up the answer making use of a unit conversion calculator ~ above Google, therefore I know I'm wrong, but I'd quite actually learn just how to do this together opposed to just putting in the exactly answer the I had to watch up.
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When you desire to uncover the lot of ft2 in a mi2, you have to say that, because there space 5280 ft/mi, there room then (52802 ft2)/mi2.
As because that tacking ~ above 106 in ~ the end, that's fine, however you can't equate the two terms then.
So what I typical is that, you have 954x106 acres, yet the work-related you did was solving for 954 acres, so girlfriend would obtain a systems for 954 acres and then present how it relates come the 954 million
Example, 5×109 kg that water, do the efforts to find the volume with thickness 1000 kg/m3: you can tack on 109 in ~ the end, however you'd desire to say 5kg * 1 m3/1000 kg=.005m3, so as such 5x109 kg * 1 m2/1000kg =0.005x109 m3
All together, that way that 954 acre * 43560 ft2/acre * 1 mi2/(52802 ft2)= 41556240/52802 mi2. So as such 954 million acres=41556240/52802 * 106 mi2
Op · 5y
Awesome, say thanks to you very much! I'm happy the answer was simply including on another exponent rather than something completely different come what ns was doing.
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