How do you simplify (912923)16?

2 Answers
May 22, 2015

Two important law of exponentials here:

  • (an)(am)=an+m

  • (an)m=anm

(912923)16=(912+23)16=(976)16=9(76)(16)=9736

May 23, 2015

(912923)16=(9(12+23))16

=(976)16=97616=9736=912718

=(912)718=(9)718=3718

The identities we use here are:

xaxb=xa+b

xab=(xa)b

x1n=nx