Tolong bantu jawab ya kk/bg jago..cuma 3 soal aja kok....Please banget kk

Tolong bantu jawab ya kk/bg jago..cuma 3 soal aja kok….Please banget kk

5a.

$sqrt{8} = {8}^{ frac{1}{2} }$

$= ({ {2}^{3} })^{ frac{1}{2} } = {2}^{(3 times frac{1}{2})} = boxed{ boxed{{2}^{ frac{3}{2} }}}$

5b.

$left({sqrt[3]{1024}}right)^{ frac{3}{4} } = left({sqrt[3]{ {2}^{10} }}right)^{ frac{3}{4} }$

$= left({ ({{2}^{10}})^{ frac{1}{3} } }right)^{ frac{3}{4} } = {2}^{(10 times frac{1}{3} times frac{3}{4})} = boxed{ boxed{{2}^{ frac{5}{2} }}}$

6a.

$sqrt{32} - sqrt{2} + sqrt{128} = sqrt{(16 times 2)} - sqrt{2} + sqrt{(64 times 2)}$

$= 4sqrt{2} - sqrt{2} + 8sqrt{2} = (4 - 1 + 8)sqrt{2} = boxed{boxed{11sqrt{2}}}$

6b.

$9sqrt{5} - sqrt{125} + sqrt{720} = 9sqrt{5} - sqrt{(25 times 5)} + sqrt{(144 times 5)}$

$= 9sqrt{5} - 5sqrt{5} + 12sqrt{5} = (9 - 5 + 12)sqrt{5} = boxed{boxed{16sqrt{5}}}$

7a.

$3sqrt{3} times sqrt{168} div sqrt{14} = 3sqrt{3} times sqrt{(4 times 42)} div sqrt{14}$

$= 3sqrt{3} times 2sqrt{42} div sqrt{14} = (3 times 2)sqrt{(3 times 42 div 14)}$

$= 6sqrt{9} = 6 times 3 = boxed{ boxed{18}}$

7b.

$sqrt[3]{1728} + sqrt{2025} = 12 + 45 = boxed{boxed{57}}$