The human body normally produces about 2 × 10^6 red blood cells per second. a. Use scientific notation to express how many red blood cells your body produces in one day. b. One pint of blood contains about 2.4 × 10^12 red blood cells. How many seconds will it take your body to replace the red blood cells lost by donating one pint of blood? How many days?

A customer deposits $2000 in a savings account that pays 5.2% interest compound quarterly. How much money will the customer have in the account after 2 yrs? After 5 yrs?

20. Suppose a new car is worth $30,000. You can use the function y=30,000 (0.85)^x to estimate the car's value after x years. a. What is the decay factor? What does it mean? b. Estimate the car's value after 1 yr. c. Estimate the car's value after 4 yr.

\(\dfrac{2.4*10^{12} red\;blood\;cells}{ 2*10^6 red\;blood\;cell/second}\)

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