word problems are a bit hard for me can you pls help
5) 42 * 6.5 = 273 new perimeter
7) 3 : 2
3^3 : 2^3
9 : 6
6) 45cm^2 * 2 = 90cm^2 new area
4) volume of sphere: 4/3 * 3.14 * 10^3
volume of sphere: 4/3 * 3.14 * 1000
volume of sphere: 4186.67