Tam plans to put 42 tiles on her bedroom wall. She will arrange the tiles in rows with 7 in each row. How many rows of tiles will Tam have?

With this one. will mark brainliest

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit