please help asap due today !!

Answer: B
Step-by-step explanation:
Just square the variables outside the square root and multiply them with 5a.
Answer:
Option B
Step-by-step explanation:
[tex]3ab {}^{2} {c}^{3} \sqrt{5a} \\ [/tex]
[tex] \sqrt{3ab {}^{2} {c}^{3} \times 3ab {}^{2} {c}^{3} \times 5a } \\ [/tex]
[tex]\sqrt{9a {}^{2} b {}^{4} {c}^{6} \times 5a } \\ [/tex]
[tex]\sqrt{45a {}^{3} b {}^{4} {c}^{6} } \\ [/tex]
Thus, The answer is √45a³b⁴c⁶
-TheUnknownScientist 72