Apatient has 0.75 gram of iron in 1 liter of blood. the normal level is between 6* 10^-7 grams and 1.6*10^-5 grams. is the patient's iron level normal? write the patient's amount of iron in scientific notation and standard form.

You are choosing between two health clubs. club a offers membership for a fee of $ 28 plus a monthly fee of $ 20. club b offers membership for a fee of $ 20 plus a monthly fee of $ 22. after how many months will the total cost of each health club be the same? what will be the total cost for each club? in __ months the total cost of each health club will be the same.