511/8-243/4
511/8-486/8=25/8
I can help with 5 - 7.
5. 19.6 (Rounds up to 20.)
6. 56.7 (Rounds up to 57.)
7. 9.86 (Rounds up to 10.)
Sorry I couldn't help with more.
I hope this does help.
Ans
(2x-1/x)^5
=-48x^3+80x-40/x^2+10/x^3-1/x^5
Answer:
136
Step-by-step explanation:
You subtract 184 from 48.
