After every 10 pages of printing, the ribbon in the dot matrix printer loses about 0.5% of its ink.

a) What percent of the ink is left in the ribbon after printing
i) 100 pages

Question

After every 10 pages of printing, the ribbon in the dot matrix printer loses about 0.5% of its ink. 
	
a) What percent of the ink is left in the ribbon after printing 
i) 100 pages

anonymous · Answer

What is LEFT after printing is 0.995 after 10 pages.
After another 10 pages, there is 0.995^2 left.
After another 10 pages, there is 0.995^3 left.
...
What about after 100 pages?

anonymous · Answer

The printer loses 0.5% of its ink after printing 10 pages.
0.5% =0.005 is used, so 1-0.005=0.995 is left.

anonymous · Answer

i think im supposed to express my answers with a logarithmic expression?

anonymous · Answer

i dont know..

anonymous · Answer

or exponential expression?