What number should be the exponent on the 10 so that the two numbers are equivalent 2.3×10=0.0023

Which of the binomials below is a factor of this trinominal? x^2-13+30

98 point question what is the record for most points in one

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.