It depends how many significant figures you are after. 23.1 + 2.06 = 25.16
Significant figures is like rounding.
If I were to round it to 3 sig. fig. I would have 25.2
If I were to round it to 2 sig. fig. I would have 25
and so on. You only keep the numbers which keep the number similar to the original yet less accurate with less digits.
Alpha decay
231 miles = 371.758 km
231 g of Fe2O3 are equal to 0,69 moles.
Uranium-235 is a natural isotope with 143 neutrons. Uranium-231 is an artificial isotope with 139 neutrons.
211.2264 231 yd = 693 ft 1 ft = 12 in 1 m =39.37 in =693*12/39.37
231,000,000
231 + 13 + 1751 = 1995
234 + 231 = 465
231 + 194 = 425
231 + 231 = 2 x 231 = 232
Approximately 231
In an adult there are usually 206 bones. In children there are more.
It is 9.325, approx.
By car, 227 miles. By bike, 231 miles. By foot, 206 miles. As the bird flies, 177 miles.
Alpha decay
burnt orange, olive green, blue or black is going to be your answer
Factorizations for 231 are: 1) 231 = 1x231 2) 231 = 3x7x11 3) 231 = 21x11 4) 231 = 3x77 5) 231 = 33x7