Suppose you do not have ten digits, as we usually do, but only two: 1 and 0.

How many two-digit numbers are there with 0 and 1 only?

Respuesta :

Answer:

00, 01, 10 and 11

Step-by-step explanation:

00, 01, 10 and 11 are two-digit numbers involving only 0 and 1.