How would these two be answered?

log (er) Log (Divide [50,44.5]) - Wolfram|Al... 14. [0/1 Points] DETAILS PREVIOUS ANSWERS SPRECALC6 4.6.037. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER This exercise deals with logarithmic scales. One historic earthquake had a magnitude of 8.9 on the Richter scale. How many times more intense was this than another historic earthquake that had a magnitude of 8.4? (Round your answer to two decimal places.) 0.94 X times 15. [1/2 Points] DETAILS PREVIOUS ANSWERS SPRECALC6 4.6.040. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER This exercise deals with logarithmic scales. The intensity of the sound of a subway train was measured at 101 dB. Find the intensity in W/m2. (Give your answer in scientific notation, correct to one decimal place.) 3.0 X x 10 2