Como puedo expresar los siguientes numeros a tres cifras significativas 4.896
0.00473945
2.55345
164.4538
88
0.29945

Which of the following statements is true about planck’s law

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

How many moles of bromine are needed to produce 3.23 moles of potassium bromide