Answer Happy

Please take the time to figure out the following questions and explain why in this discussion board. 1. In the number 12.345, the 4 is in the place 2. The measurement 0.000 004 3 m, expressed correctly using scientific notation, is 3.The measurement 8848 m, expressed correctly using scientific notation, is 4. The correct scientific notation for the number 0.00050210 is: A) 5.0210 x 109 B) 5.021 x104 C) 5.021 x109 D) 5.0210 x104 E) none of the above 5. Which of the following is NOT an example of matter? A) a pencil eraser B) a balloon full of helium C) a dust particle D) heat from a burning candle E) none of the above