Which expression is equivalent to a4·b2·a‐4·b4?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Write the equation in logarithmic form e^x=403.429

What is r i 4.5+10r=-6.5 with work pls