Multiple choice

Decimal number system is based on the number ______.

  1. 5

  2. 10

  3. 3

  4. 2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The decimal (base-10) number system is based on the number 10. It uses ten digits (0-9) and each place value is a power of 10. This system likely originated from humans having ten fingers, making counting intuitive. It's now the most widely used number system globally.

Keep practicing — related questions