Answer:
$1250
Step-by-step explanation:
6 1/4 × 4 = 25
25 × 50 = cost
Cost = $1250
The <em><u>correct answer</u></em> is:

Explanation:
An exponential function is of the form
, where a is the initial population, b is 1 plus the amount of yearly change, and x is the number of years.
For our problem, a, the initial population, is 1500.
The yearly change is 6.3%; 6.3% = 6.3/100 = 0.063. Since it is decreasing, this is negative; 1+(-0.063) = 0.937.
We use t as the number of years.
This gives us

I believe the answer is the first option. 1 to 3 with intervals of 1.
Hope this helps!
Answer:
3^-5
Step-by-step explanation:
x^-3=1/x^3
this rule applies to all negative exponents lol
3 ^ 3 is the same as 3 * 3 * 3
So:
3 * 3 * 3 =
(3 * 3) * 3 =
( 9 ) * 3 =
27