How much of strontium-90 will be left after 40 hours if you start with 960 grams and the half-life is 10 hours?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Which fact represents evidence for the big bang theory?

Compare and contrast refraction of light and sound will give brainliest