Question

please solve it fast it is of 100 points​

Answer 1

Answer:

okay

Explanation:

please make as thanks

Answer 2

Explanation:

The UDC is based on the outline and the notational base of the Dewey Decimal Classification. The basic notation of UDC consists of Indo-Arabic numerals 0-9 used decimally, the different mathematical symbols and punctuation marks that have converted its notation into a mixed notation