Answer:
yes
Step-by-step explanation:
Only the lengths change, not the angles.
The error was in second step.
3√(y^3)^4 = y^4
(Cube root cancels cube and not power 4)
The answer should be:
xy^4/4
//Hope it helps.
21 ounces
No
70 * 8 = 560, not 490
Instead, 70 * 7 = 490
