2.9 x100 =
1.259 x100 =
4.75 x1000 =
3.09 x 100 =
4.7 x 1000 =
0.475 x1000 =
3.1 x____=310
14.03 x______=14 030
5.029 x_______=502.9
_____x0.045=45
0.04×100=
4.9×1000=
100 × 0.134 =