Adjust number into correct standard form, 6552× 10(tex)1 Please answer

For how answer my question this will be the last question can you answer in math subject

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol