Question

please help me solve.I had blank 1 as 9 and blank 2 as 5. blank 1 is incorrect

Answer 1

we have the expression

$3\sqrt[]{45}$

Remember that

45=(3)(3)(5)=3^2*5

substitute

$3\sqrt[]{3^2\cdot5}=3\cdot3\sqrt[\square]{5}=9\sqrt[]{5}$