One possibility is that the sequence continues: 46, 94, 190, ...
The difference between the given terms is 3, 6, 12; so the sequence continues by doubling the previous difference: 24, 48, 96, ... and adding it to the previous number.
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The next number in the series 1 2 4 8 10 20 22 is
28?
46 would fit, double and add 2...
It is a number system that uses the digits 0 and 1 only. So 0 is written 0 and 1 is 1, but two in base 10 is written 10 in binary. The first digit is 20 or 1, the next is 21 or 2, the next digits is 22 This keeps going and any number can be written in binary or base two.
1 and 1/10