The cells of a bacteria doubles in every 15 minutes. A scientist begins with a single cell. How many cells will be there after (a).4 hours (b)10 hours ? Express your answers in exponential form. pls help me

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Which of the following will form the composite function?

Which net represents the pyramid below? meh