Question

please answer me
I will mark u brainleast​

Answer 1

Answer:

add all the powers of 3 and subtract the sum of powers from the lower one

Step-by-step explanation:

adding powers of 3 7+6+2=15

subtract 15 from lower power 12 that is 12-15= -3

so answer of 2) que is 3 raise to power -3

all are same

hope it is helpful. no need to follow pls......just delighted to help........