Final answer:
To compare 3√ 63 and 400%, convert them into the same form. 3√ 63 is approximately equal to 23.811 and 400% is equal to 400. Therefore, 3√ 63 < 400%.
Step-by-step explanation:
To compare 3√ 63 and 400%, we need to convert them into the same form.
3√ 63 can be simplified as 3 * √ 63, which is approximately equal to 3 * 7.937 = 23.811.
400% is equal to 4 * 100 = 400.
Therefore, 3√ 63 < 400% because 23.811 < 400.