A bacteria culture initially contains 2000 bacteria and doubles every half hour. Round your answers to 1 decimal place. Find the size of the bacterial population after 80 minutes. Find the size of the bacterial population after 6 hours.

Finding the present value of an investment earning compound interest Joe is going to invest to help with a down payment on a home. How much would he have to invest to have \( \$ 54,300 \) after 7 years, assuming an interest rate of \( 1.79 \% \) compounded monthly?

A researcher hypothesizes that a group of clinical depression patients have higher depression scores than the overall population. This is an example of a

A fruit juice drink is \( \frac{5}{7} \) water and \( \frac{1}{8} \) fruit juice (by weight). What fraction of its weight is water and fruit juice combined?

h) \( 4(x+2)+5 x-25=37 \) i) \( 8(2 x+5)=72 \) j) \( 2(x-4)+9(x-1)=49 \) k) \( 5 x-11+2(2 x+3)=2 x+9 \) l) \( 5(7+4 x)-15-8 x=92 \) m) \( 11+7(2 x-1)-9 x=2(x+11) \) n) \( 6(2+3 x)+3(x-4)=63 \)

From this equation, there are several possible mole-mole ratios. Two of these mole- mole ratios are the following: Which is a possible mole-mole ratio for the following balanced chemical equation? \[ 4 \mathrm{Fe}(\mathrm{s})+3 \mathrm{O}_{2}(g) \rightarrow 2 \mathrm{Fe}_{2} \mathrm{O}_{3}(\mathrm{~s}) \]