Step-by-step explanation:
1/16 is ur ans.
[tex]2 ^{ - 4} [/tex]
[tex]1 \div 2 ^{4} [/tex]
[tex]1 \div 16[/tex]
1 / 16 or 0.0625
you exponet using a^-n
= 1/ a^n
1/2^4
evaluate the power
1/16
or u can write 0.0625 whatever you want