Divide 314 by pi and square root the answer which will give you the radius.
200
Divide 7 by 200: you get 0.035
Divide by 1000. So 200 microlitres = 0.2 millilitres
1 x 314 and 2 x 157
Divide by 2.2 to get them in kgs
divide the circumference by pie (3.14) and the answer would be the radius. for example circumference = 314 pie = 3.14 so 314 divide by 3.14 = 100 so the radius = 100
300
5 divide bye 200 = 0.025
Don't get cared by the decimal, it's just a point. It means: divide by 10^n where n is the number of digits after the decimal. So in this case, 3.14 means 314 / 10^2 = 314 / 100 so you are actually doing this 314/100 x 4 = 314 x 1/100 x 4. Multiplication is commutative so you might as well do 4 x 314, then divide by 100. So you should get 1256 / 100. To divide by 100, recall what decimal means, it's simply 12.56 :D
200 Divide by two. 100,2 Divide by two. 50,2,2 Divide by two. 25,2,2,2 Divide by five. 5,5,2,2,2 Stop.
200 divide by 30 = 6.666666666666667
-5
Divide 314 by pi and square root the answer which will give you the radius.
You are supposed to divide the mass by the volume.
to get answer you divide percent by 100 and multiply: 200 percent of 200 = 2 x 200 = 400
you divide by pi (3.14) then take the square root, then multiply by 2 and multiply by pi (3.14)...in that order i.e. if you have a circle with area of 314 square inches, you take the 314 and divide by 3.14...you get 100...then you take the square root of 100...you get 10...then you multiply by 2...you get 20...then you multply by 3.14...you get 62.8 inches...thats the circumference of a circle with an area of 314 square inches