(1.2×10^-3)/(4×10^6)
1.2/4=0.3
(10^-3)/(10^6)=10^-9
0.3×10^-9= 3×10^-10
Answer:
there will be 8 boxes filled and 7 extras books
I assume it would be a combined height of 6 nickles.
Answer:
Find out the what does the value 500 represent in this situation .
To prove
As given
The amount of money in a savings account after t years is represented by the function.
Exponential function for amount is given by .

Wher a is the initial value, r is the rate in decimal form and t is the time.
Compare the functions
and

Thus a = 500
Therefor $500 is the initial value .