We want to simplify √(-48).
Note that
i² = -1 by definition.
Therefore

Answer: c.
Step-by-step explanation:
2527 is the first line so 5 in the box
then 47 so a 4 in that box
top answer row
315 E7 so a 5 in that box.
Answer:
9 cm
Step-by-step explanation:
![\sqrt[3]{729}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B729%7D)
![=\sqrt[3]{9*9*9}](https://tex.z-dn.net/?f=%3D%5Csqrt%5B3%5D%7B9%2A9%2A9%7D)

if its asking you to round then D
Step-by-step explanation:..........................................................................................