pasagot po nito please , i will marked you brainliest
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Answer:
[tex]1. \: {3b}^{ \frac{3}{2} } \: \: \: \: \: \: \: \ \sqrt{(3 {b})^{3} } \: \: \: \: \: \: \sqrt{9 {b}^{3} } [/tex]
[tex] \sqrt{ {2}^{4} } \: \: \: \: \: \: \: \: {2}^{ \frac{4}{2} } \: \: \: \: \: \: \: \: 4[/tex]