Review Number Systems

This Roman Numeral is equivalent to what in Hindu-Arabic?

This is equivalent to what in base 10?

Answer explanation

32+16+0+4+0+1= 53

This Egyptian number is equivalent to what in Hindu-Arabic?

This base 16 number is equivalent to what in base 10?

Answer explanation

(1*16*16)+(10*16)+0

=256+160

=416

True or False:

In Roman Number System, when a symbol appears after a larger (or equal) symbol it is subtracted.

• True

• False

Answer explanation

It should be added.

Example in VI. The symbol I appears after V which has a larger value. therefore, they should be added.

This ancient Chinese numeral is equivalent to what in Hindu-Arabic?

This base 8 number is equivalent to what in base 10?

Answer explanation

2*64 + 1*8 + 7

=128 + 8 + 7

=143

This babylonian number is equivalent to what in Hindu-Arabic ?

Answer explanation

(12 X 60) + (45) = 720 + 45 = 765

This base 5 number is equivalent to what in base 10?

Answer explanation

1*5*5 + 4*5 + 3

=25 + 20 + 3

=48

Which of the following is not a positional number system?

• Hindu-Arabic

• Egyptian

• Babylonian

• Ancient Chinese