It's 17 points for answering, PLEASE please help me!!!

  number 3 =1

number 4= 666836/9 decimal: 74092.8

Step-by-step explanation:

3(4 power of -1 + 2 power of -2)-2 power of -1

=3(1/4+2 power of -2)-2 power of -1

=3(1/4+1/4)-2 power of -1

=(1/4)-2 power of -1

=3/2-2 power of -1

=3/2-1/2

=1

42 power 3 +5-3 power -2

=74088+5-3 power -2

=74093-3 power -2

=74093-1/9

=666836/9

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )