Compute with the aid of a calculator. Write your answers in standard form.

(-------- = divide by)

48. a. (8.4*10^-22)(1.6*10^15)

---------------------------

3.2*10^-11

b. (9.4*10^24)(7.2*10^-18)

-----------------------

(4.5*10^26)(6.4*10^-16)

i don't know how to solve this.