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What is the number 321,000,000 in scientific notation? also what is the number? ?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%