Question

1/4 raised to -2 + 1/2 raised to -2 + 1/ raised to -2

Answer 1

Answer:

21

Step-by-step explanation:

Note: When the Index of a base is negative,then you have to reciprocal the base..

Reciprocals:

1/4=4

1/2=2

1=1/1

Hence,

=4^2 + 2^2 + 1/1 ^2

=16+4+1

=21