How to express 1/243 using a negative exponent other than -1

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3