Question

I️ need help what’s on the picture

Answer 1

`\bf √(-100)\implies √(-1\cdot 100)\implies √(-1)\cdot √(100)\implies √(-1)\cdot √(10^2) \\\\\\ i\cdot 10\implies 10i\implies \stackrel{a}{0}+\stackrel{bi}{10i}`

Answer 2

i think this is what it means

divide, to separate into equal parts by the process of mathematical division;which helps it , apply the mathematical process of division to: Eight divided by four is two.