6th grade math
posted by melissa .
Use exponents to write the prime factors of 32 and 81, I have no idea???Help

32 = 2*2*2*2*2 = 2^5
81 = 3*3*3*3 = 3^4 
Prime factors of 32? 2 to some power. Try 2x2x2x2x2 or 2^5
81 is 9x9, so it must be in prime 3x3x3x3 or 3^4