ACTIVITY 2.1 Solve the following problems. Show your solutions. 1. A bacteria in a petri dish can multiply at an alarming rate when each bacteria splits into two new cells, thus doubling. If we start with only one bacteria which can double every 15 minutes, after how many minutes will the bacteria grew up to 128? 2. The half-life of N-13 is approximately 10 minutes. At t=0 there were yo grams of N-13, but only - of this amount remains after some time. How much time has passed? 3. Four raised to thrice a number decreased by eight is at least one over sixteen. Find the set of all possible values of the number. RO_ GeneralMathematics_Grade11_Q1_LP 7 11