Einsteinium-253 is an element that loses about 2/3 of its mass every month. A sample of Einsteinium-253 has 450 grams. Write a function that gives the sample's mass in grams, S(t), t months from today.

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?