1. multiply. (3.5×10−5)(3×10−10)(3.5×10−5)(3×10− 10) express your answer in scientific notation. 1.05×10−151.05×10−15 1.05×10−141.05×10−14 1.05×10−131.05×10−131.05×10151.05×1 015

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work