Round this population figure to two nonzero digits. Then write it in scientific
notation.
186,453,000 people
pls help

How do you find principle and simple interest

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?