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Q: Convert 1111 two to base ten?

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15

Why don't you do your homework. You are in base 2. You are going into base 10. You are dealing with a ones column, a two column, a four column, and an eight column. You have one 1, one 2, one 4, and one 8. What do you get when you add, 1 + 2 + 4 + 8 ?

Since 16 is a power of 2, you can directly convert every hexadecimal digits to four binary digits. Look up the equivalent in a table, if you don't know it by heart. Don't forget the zeroes at the left. For example, to convert 3F5(hex), 3 = 0011, F = 1111 and 5 = 0101, so 3F5(hex) = 0011 1111 0101 (binary). In this example you may get rid of the first two zeroes, depending on the application.

In base ten, ten is not a prime number. It is divisible by both 2 and 5. In base 2, however, 10 is equal to two in base ten and two is a prime number.

In binary: 1111 1111 1111 1111 1111 1111 1111 1111 In octal: 37777777777 In hexadecimal: FFFFFFFF in decimal: 2³² - 1 = 4,294,967,295

1111 is a composite number because it has more than two factors as it is divisible by 1, 1111 and 11.

2.012

The binary representation of the decimal number 77 is 1001101.

given 1111 that would be in base10 20+ 21 + 22 + 23 = 1 + 2 + 4 + 8 = 15 you count using 2x and read right to left given 1011 20 + 21 + 23 = 1 + 2 + 8 = 11

one hundred and thirty two

It is not magic. While incorrect in "base ten", the eqauation is correct in binary numbers (base two). The sum 1+1=10 because the value "10" (base two) is equal to 2 in base ten.

Express it as a sum of powers of 2, thus: 15 = 8 + 4 + 2 + 1. The binary representation has a one for every power of two that is present and 0 when not. So 15, in binary, is 1111.

In usual mathematics (base ten, normal addition), 2 + 2 = 4.

The base of a number is the size of the groups in a counting system. The system we use is base 10. The smallest two-digit number, 10, represents a group of ten units or 101. 100 is ten groups of ten units or 102. 1000 is ten groups of ten groups of ten units or 103, and so on. The base is also the number of different digits used in the counting system including 0. Computer designers and low level programmers are also familiar with base 2 (binary), base 8 (octal) and base 16 (hexadecimal). In binary, 10 represents a set of two units or 21, 100 is two sets of two or 22, 1000 is two sets of two sets of two or 23, and so on. When a base other than 10 is being used, the base is often written as a subscript after the number. For example, 101012 = 258 = 2110.

1001, 1111

Some examples of a base (mathematics) include our counting system, which is base ten. Computers use binary, or base two.

110/130 and 1111/1313 are two.

14

In base ten, consecutive places differ by factors of ten.

In base ten, it means six thousand, five hundred, sixty-two.

Binary is base 2, decimal is base 10. Base 10 positions from the decimal point are tens, hundreds, thousands, etc etc. - each one ten times the previous. Base 2 positions from the decimal point are twos, fours, eights, sixteens etc etc - each one is two times the previous. In base ten there are 9 digits plus zero In base two there is one digit (1) and zero. Sixteen in base ten is 16, in base two it is 10000. Eighteen is 18 and 10010 respectively.

70/110 and 707/1111 are two equivalent fractions.

30/110 and 3030/1111 are two equivalent ratios.

You can convert to the same base, by the identity: logab = log b / log a (where the latter two logs are in any base, but both in the same base).

We could help more if we knew what that number was. One guess is that it's from a base other than ten and you want to convert it to base ten. To do that, you need to know about place value. In any base, from right to left, place value increases exponentially. N to the zero power, n to the first power, n to the second power, and so on. If that was base three, you have two ones and one each of 3, 9, 27, 81, 243, and 729 Adding them all together and 111 1112 base three becomes 1094 base ten. It's also possible that's a fraction, since this website can't reproduce slash marks. 111/1112 = 111 divided by 1112 = 0.099820143884892

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