The function below represents the number of zombies, n, where t is the number of years since the zombies gained control of earth:

n(t) = 300 · 2-t/8

is this exponential growth or decay? explain using your understanding of the properties of exponents. (to type exponents, use the ^ key.)

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

If 20% of a number is 35, what is 50% of that number?