WebThe circumference – the length of the outside boundaries of the circle. To find the area from the radius, it's very easy. a=\pi r^2 a = πr2. Diameter is just 2x radius, so to get the circle's area from the diameter: a=\pi (d/2)^2 a = π(d/2)2. And to find area from circumference, it's easiest to first conve. r=c/2\pi \\ a = \pi r^2 r = c/2π ... WebEnter the fraction you want to simplify. The Fraction Calculator will reduce a fraction to its simplest form. You can also add, subtract, multiply, and divide fractions, as well as, convert to a decimal and work with mixed numbers and reciprocals. We also offer step by step solutions. Step 2: Click the blue arrow to submit.

Rounding Significant Figures Calculator

WebRounding Number Calculator. Just type in the decimal and choose 'hundredth', 'tenths', 'thousoundths' ... WebUse this calculator to round a number to the nearest X. For example, 18 rounded to the nearest 10 is 20. Note: We use the "round half up" rule, which means that any ties are … hist1h2ah

Rounding Calculator - AllMath

WebSolution: Given Amount = 5.3227. Firstly, check for the thousandths place. In this case, thousandths place is 2 as it is less than 5 you can remove the values next to it. Thus … WebEnter the round value. (optional) Click Calculate. SigFig calculator is an online maths tool used for counting the number of significant digits in a number. It will tell you the reason why a digit is significant or insignificant. This sig fig rounding calculator also gives other important information about a number. This information includes; WebGiven Amount = $12.39. The First Step is to identify the tenth's place. As the tenth's place value is 3 i.e. less than 4 simply remove all the digits to the right of the decimal separator. Thus it becomes $ 12 or ( $ 12.00) Therefore, $12.39 rounded to the nearest dollar is $12. hist1h2aj