Answer:
1578/1
Step-by-step explanation:
Because, it would still simplify to 1578.
The second one!!! For further help use cymath.com
Answer:

Step-by-step explanation:
Hope this helps!
3 + (2 + 8)^2 / 4 * (1/2)^4
3 + 10^2 / 4 * (1/2)^4
3 + 100/4 * (1/2)^4
3 + 25 * 1/16
3 + 25/16
48/16 + 25/16
73/16
4 9/16 <==