Answer:
5.43×10^14 or

Step-by-step explanation:
Scientific notation, the number must always be less than 10, in this case 5.43. The exponent represents how much times I moved the decimal point to the left.
Answer:
Step-by-step explanation:
y=2/5x+2
x= 5/2y-5
hopefully this works
Answer:
Step-by-step explanation:
is given value in dollars of a stock in t months after it is purchased.
a) Substitute 1 for t

V(12) = 
b) Find derivative for V

c) When V(t) = 75

d) As t tends to infinity, exponent being in negative t tends to 0
So V tends to 42(1-0)+36 = 78
Answer:
Calculus
Step-by-step explanation:
Calculus: z = (94-70)/12 = 2
Bio: z = (74.5-77)/10 = -0.25
History: z = (45-53)/16 = -0.5
Physics: (70.5-60)/14 = 0.75