Question

-2/power to 7×-2power to 3×-2power to 4​

Answer 1

Step-by-step explanation:

write question in proper manner

Answer 2

Answer:

(2^-3-2^-4)(2^-3+2^-4)

{(2^-3})² - {(2^-4})²

{2^-6-2^-8}

0.015625-0.00390625

= -0.01718175