Question

please explane fast I need​

Answer 1

Answer:

simple 3⁴ or 81 is the answer

Answer 2

Answer:

the answer is {70/210}^-4

Step-by-step explanation:

{7/10}^-4 * {10/21}^-4 =

if powers  are equal the exponents are also equal

so by this

{710*10/21}^-4

{70/210}^-4

therefor the answer is{70/210}^-4

and it can be written as 81 or 3^4

thank you