A computer sells for

$

900

$900dollar sign, 900 and loses

30

%

30%30, percent of its value per year.

The value of the computer is given by 900 (0.7) ^t.

Step-by-step explanation:

A computer sells for $900.

If the price of the computer loses 30% of its value per year, then it is compounded every year.

Now, the price of the computer t years after it is sold will be

900 (1 - 30/100) ^t = 900 (0.7) ^t ... (1)

Therefore, the value of the computer is given by the above equation (1). (Answer)

900 (0.7) ^t