Express the mass of the atoms and molecules in both standard notation and scientific notation. If necessary, round the numbers so the first factor goes only to the hundredths place. • one iron atom one water molecule • one silver atom one gold atom one platinum atom . one uranium atom​

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. using the technique in the model above, find the missing segments in this 30°-60°-90° right triangle. ab = 8 bc = 4 cd =

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours