PLEEEASSEE HELP i really need it
#1n^32 (2nd choice)#21/x^15 (1st choice)#3c^15 (2nd choice)#4x^10 / m^3 (last choice)#5x^12y^8 (1st choice)#61 / 8y^12 (3rd choice)#7r^10 s^5 (last choice)#8x^4 / y^6 (last choice)#9(b^2)^4 = b^8answer is 4 (2nd choice)