Answer :

pylashireesha

Answer:

1/2

Step-by-step explanation:

according to exponetial

(2 power -1 x 4 power -1) / 2 power -2

accordinf to formula -1/n=1

so 2 power -1 and 4 power-1 goes down and becomes positive like wise 2 power -2 goes comes up

then 2power 2 is 4 and down 2 ×4 is 8 now substitute 4/8 = 1/2

Other Questions