The amount of radioactive substance left at the end of x days can be represented by an exponential function. the initial amount is 100 grams, and the amount left after three days is 72.9 grams. which function models the amount of radioactive substance left at the end of x number of days? a. f(x)=0.85^x b. f(x)=0.90^x c. f(x)=100(0.85)^x d. f(x)=100(0.90)^x steps with the i was never taught

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Urgent! 20 points! here is a you are the new manager at trusty goods wholesale produce. you need to figure out how to adjust the amount of produce in your notes after the events of the day: you got 5 more crates of bananas someone returned 2 crates of apples a worker dropped a crate of grapes (oh no! , you had to throw them out) you sold a crate of bananas you sold 5 crates of apples can you write an expression to describe your day using: "a" for crates of apples "b" for crates of bananas and "g" for crates of grapes? make sure the expression is in simplest form question 2 (3 points) explain your steps using sentences.