HELP!!! A lake currently has a depth of 30 meters. As sediment builds up in the lake, its depth decreases by 2% per year. This situation represents [exponential growth or exponential decay]
The rate of growth or decay, r, is equal to [.98 or .02 or 1.02]

So the depth of the lake each year is [1.02 or .98 or .02]
times the depth in the previous year.

It will take between [11 and 12 or 9 and 10 or 3 and 4 or 5 and 6]
years for the depth of the lake to reach 26.7 meters.