Numbers may be entered in several formats - including scientific notation and numerical expressions. webassign uses standard scientific or "e" notation for "times 10 raised to the power." for example, 1e3 is the scientific notation for 1000.you cannot have a space in a number. you cannot substitute the letter o for zero or the letter l for 1.you cannot include the units in the number unless specifically asked for. you can include the sign + or - of the number. which of the entries below will be interpreted as numbers? (select all that apply.) 1.56e-9 3.25e4 2.54 m 1.56 e-9 1.9435 -4.99 1.23 inches