Question

Answer the two please and quick I will mark brainiest!!

Answer 1

Answer:

the answer for the 1st question is 1st option

then the answer for the next is 2nd option

mark me as the brainliest

Answer 2

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Answer:

12 ) 3 zeroes

$2^3*3^4*5^4*7\\\\=>(2*5)^3*3^4*5*7\\\\=>10^3*3^4*5*7$

13 ) 5/7

$\alpha +\beta =5/2\\\\\alpha \beta =7/2\\\\=>\frac{\alpha +\beta}{\alpha \beta }=5/2 / 7/2\\\\ =>\frac{1}{\alpha } +\frac{1}{\beta } =\frac{5}{7}$

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