Which expression is equivalent to(4.5*10^2)+(6.5*10^3) written in scientific notation?
A: 1.05*10^6
B: 2.7*10^6
C: 6.45*10*3
D: 10.5*10*5

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Ineed no it anyone can see this