Hello, I was wounded if if anyone knew what was 4.52 divided by 2 is?

Guys i really need or i have to stay late up night

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?