Answer:
2nd and 3rd choices
Step-by-step explanation:
use h(t) = h(0) + v(0)t + at^2/2
Now h(0) = 18, v(0) = 0, a = -9.8
so h(t) = 18 - 4.9 t^2
Solve h(t) = 18 - 4.9 t^2 = 0
Get t = 1.92 sec
Adding 5 to 1346787654323567, you get 1346787654323572.
5
2 = 32
Exponents are like a simplified or easier version of multiplying
2*2*2*2*2
People use exponents in real life. For an example, they use it for finding cubic feet ,square feet, or area of something or an object.
Sorry if I am bad at explaining this or if I confused you
a. There's a restaurant that charges $35 just to get inside plus $2.50 per hour.
b. The rate of change is 2.5. The meaning is each hour you're in the restaurant, they charge you $2.50.