Number systems

The number 10101011 written in the Roman system

• CLXXI

• CVIII

• LLLXXI

• CXXXCI

The number 3,345,089 written in expanded form is

• (3x2^6)+(3x2^5)+(4x2^4)+(5x2^3)+(8x2^1)+(9x2^0)

• 3,000,000+300,000+450+80+9

• 3+3+4+5+0+9

• (3x10^6)+(3x10^5)+(4x10^4)+(5x10^3)+(8x10^1)+(9x10^0)

The place value of the fifth position in decimal number system is

• 10^5

• 10,000

• 1^5

• 10,000^5

The value of the digit 1 in the sixth position in a binary system is

• 32

• 64

• 128

• 16

Michael Joseph Jackson was born in August,XXIX- MCMLVIII, was an American singer, songwriter, and dancer.

How old is Michael?

• 63

• 67

• 61

• 58

How much is MMCMXLVI (Roman number) minus 1011001 (Binary number) is

• 2,761

• 3,131

• 10,108,055

• 2857

The product of XCII and XV is

• 2,347

• 1,380

• 9,915

• 84

If a doctor prescribes 3 pills to take one every XXX minutes. How long is the treatment?

• 1 hour

• 1 hour and a half

• 2 hours

• 2 hours and a half

Solve the following operation

101010 + LIX + 34

Binary +Roman+Decimal

• 140-------decimal number

• CXXXV--------roman number

• 1010---------binary number

• None

Who is the best teacher in the whole wide world?

• Christian

• Liliana

• Santiago

• Julio profe