Solve: 10^x-3=8900 (give answer to the nearest thousandth.)

Question

 Solve: 10^x-3=8900 (give answer to the nearest thousandth.)

Answer 1

I think the equation is:

 

10^x-3 = 8900

x - 3 = log(8900)                   [log = log base 10]

x = log(8900) + 3

 

Use you calculator to compute the final answer.  Use log base 10.