Write your answer in scientific notation then Round to the correct significant figure. 1. 23.6 cm
2. 23.6 cm
3. 6.89 km
4. 77.8 Dm
5. 0.97 m

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

The slope of a velocity time graph over any interval of time gives the during that interval