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You repetitively divide the number by two, taking the remainder as the digit (in binary). When you divide by 2, the remainder will either be 0 or 1.

Example: convert 23 (base 10) to binary:

23/2 = 11, remainder 1 (this is the ones digit)

11/2 = 5, remainder 1 (this is the twos digit)

5/2 = 2, remainder 1, (this is the fours digit)

2/1 = 1, remainder 0, (this is the eights digit)

1/2 = 0, remainder 1, (this is the sixteens digit). So now combine the digits (sixteens is the highest digit in this number):

23 (base 10) = 10111 (base 2)

Q: How do you change decimal into binary?

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If you use Windows, you can use the Windows calculator to convert from decimal to binary. Change to scientific mode, be sure the calculator is in decimal, type the decimal number, and switch to binary. If you are practicing decimal to binary conversion, this is a great tool to verify that you have done your calculations correctly.

489 = 111101001

Decimal 11 = binary 1011

Binary 100 is 4 in decimal.

1111 in binary is 15 in decimal. 1111 in decimal is 10001010111‬ in binary.

Related questions

The number 47 in binary would be 101111

If you use Windows, you can use the Windows calculator to convert from decimal to binary. Change to scientific mode, be sure the calculator is in decimal, type the decimal number, and switch to binary. If you are practicing decimal to binary conversion, this is a great tool to verify that you have done your calculations correctly.

489 = 111101001

If 110 is binary, and you want the answer in decimal form,110 in binary = 6 in decimal, so binary 1102 = decimal 62 = 36If 110 is decimal, and you want the answer in binary form,Decimal 1102 = 12100; decimal 12100 in binary is 10111101000100

Binary 10000111 = Decimal 135

Decimal 30 = binary 11110. The decimal binary code (BCD), however, is 11 0000.

Decimal 181 in binary is 10110101

Decimal 4 is binary 100.

decimal [ 123 ] = binary [ | | | | 0 | | ]

69 in decimal = 1000101 in binary.

Decimal 11 = binary 1011

25510 = 111111112 25510 = 001001010101BCD