How can the following expression be simplified and written without negative exponents? fraction numerator a to the power of negative 7 end exponent a to the power of 12 over denominator a to the power of negative 5 end exponent end fraction

Shane and abha earned a team badge that required their team to collect no less than 2000 cans for recycling. abha collected 178 more cans than shane did. write an inequality to determine the number of cans, s, that shane could have collected.