Form 4547, which allows taxpayers to elect the new Trump accounts, was clearly numbered with purpose. But when it comes to 1040s, W-2s, 1099s, and other familiar forms, the explanation is far less ...

Standard form close standard formA number between 1 and 10 multiplied by a power of ten, eg 193 in standard form is written as 1·93 × 10², 0·193 in standard form is written as 1·93 ×10⁻¹. It is used ...