What is this (2.8x10^2)+(3.7x10^10 in simplified form

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)