(2^-² + 2^-¹ + 2^0)^-² tolong di jawab yaa

(2^-2 + 2^-1 + 2^0)^-2
= 1/(2^-2 + 2^-1 + 2^0)²
= 1/(1/4 + 1/2 + 1)²
= 1/(1/4 + 2/4 + 4/4)²
= 1/(7/4)²
= 1/(49/16)
= 1 x 16/49
= 16/49